CPM 3-31 To 3-35

2.

3-31 Part 2Which portion was the GREATEST?

Explanation
The given answer states that the portion which was the greatest is 40%. This means that out of all the options provided, 40% had the highest value.

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3.

3-32. At Cassie’s Cashew Shoppe, a sign says, “Today only: 20% off anything.” Maribel realizes that she has a coupon for 1/5 off the price of anything in the shop. Which discount should she use, the 20%-off deal or the 1/5-off coupon? Does it matter?

20%-Off Coupon
1/5-Off Coupon
It doesn't matter. 1/5 is the same as 20%.

Correct Answer

A. It doesn't matter. 1/5 is the same as 20%.

Explanation

The answer is correct because 1/5 is equivalent to 20%. Therefore, whether Maribel uses the 20% off deal or the 1/5 off coupon, she will receive the same discount, and it does not matter which one she chooses.

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4.

3-33. Maribel is taking advantage of the sale at Cassie’s Cashew Shoppe. She wants to figure out how much she will save on a purchase of $34. Maribel’s percent ruler is shown below. Copy the ruler on your paper and help her figure out what 20% of $34 is.

Correct Answer
$6.80

Explanation
Maribel's percent ruler indicates that 20% is equal to $6.80. Therefore, if Maribel purchases an item for $34, she will save $6.80, which is 20% of the total price.

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1

5.

3-34 a. 5/12 + 1/3

Correct Answer
3/4

Explanation
The given expression is a sum of two fractions: 5/12 and 1/3. To add these fractions, we need to find a common denominator, which in this case is 12. We then convert both fractions to have a denominator of 12. The first fraction becomes 5/12 and the second fraction becomes 4/12. Adding these fractions gives us a result of 9/12, which can be simplified to 3/4.

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6.

3-34 b.4/5 + 3/4

Correct Answer
1 11/20, 31/20

Explanation
The given expression is 4/5 + 3/4. To add these fractions, we need to find a common denominator, which in this case is 20. Multiplying the numerator and denominator of 4/5 by 4, we get 16/20. Multiplying the numerator and denominator of 3/4 by 5, we get 15/20. Now we can add the fractions: 16/20 + 15/20 = 31/20. This can be simplified to the mixed number 1 11/20. So, the answer is 1 11/20, 31/20.

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7.

3-35. Find the following difference.a. 8.02 − 0. 64

Correct Answer
7.38

Explanation
The given question asks to find the difference between 8.02 and 0.64. By subtracting 0.64 from 8.02, we get the result of 7.38.

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8.

3-35. Find the following difference.b. 568.38 − 134.21

Correct Answer
434.17

Explanation
The difference between 568.38 and 134.21 is 434.17.

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CPM 3-31 To 3-35

3-31 Part 1Which portion was the LEAST?

Quiz Preview

3-31 Part 2Which portion was the GREATEST?

3-32. At Cassie’s Cashew Shoppe, a sign says, “Today only: 20% off anything.” Maribel realizes that she has a coupon for 1/5 off the price of anything in the shop. Which discount should she use, the 20%-off deal or the 1/5-off coupon? Does it matter?

3-33. Maribel is taking advantage of the sale at Cassie’s Cashew Shoppe. She wants to figure out how much she will save on a purchase of $34. Maribel’s percent ruler is shown below. Copy the ruler on your paper and help her figure out what 20% of $34 is.

3-34 a. 5/12 + 1/3

3-34 b.4/5 + 3/4

3-35. Find the following difference.a. 8.02 − 0. 64

3-35. Find the following difference.b. 568.38 − 134.21

CPM 3-31 To 3-35

3-31 Part 1Which portion was the LEAST?

Quiz Preview

3-31 Part 2Which portion was the GREATEST?

3-32. At Cassie’s Cashew Shoppe, a sign says, “Today only: 20% off anything.” Maribel realizes that she has a coupon for 1/5 off the price of anything in the shop. Which discount should she use, the 20%-off deal or the 1/5-off coupon? Does it matter?

3-33. Maribel is taking advantage of the sale at Cassie’s Cashew Shoppe. She wants to figure out how much she will save on a purchase of $34. Maribel’s percent ruler is shown below. Copy the ruler on your paper and help her figure out what 20% of $34 is. ​

3-34 a. 5/12 + 1/3

3-34 b.4/5 + 3/4

3-35. Find the following difference.a. 8.02 − 0. 64

3-35. Find the following difference.b. 568.38 − 134.21

3-33. Maribel is taking advantage of the sale at Cassie’s Cashew Shoppe. She wants to figure out how much she will save on a purchase of $34. Maribel’s percent ruler is shown below. Copy the ruler on your paper and help her figure out what 20% of $34 is.