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This is percentage practice for TABLE. You have 12 free response questions
Questions and Answers
1.
170% of 86
Explanation To find 170% of 86, you can calculate it as follows:
170% of 86 = (170/100) * 86
First, convert 170% to a decimal by dividing by 100:
170% = 170/100 = 1.7
Now, multiply 1.7 by 86:
1.7 * 86 = 146.2
Therefore, 170% of 86 is 146.2.
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2.
10% of 61
Explanation The question asks for 10% of 61. To find this, we can multiply 61 by 0.10, which gives us 6.1. Therefore, the answer is 6.1.
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3.
59% 0f 30=
Explanation To find 59% of 30, you can calculate it as follows:
59% of 30 = (59/100) * 30
59% of 30 = 0.59 * 30
59% of 30 = 17.7
Therefore, 59% of 30 is 17.7.
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4.
100% of 70
Explanation The question is asking for 100% of 70, which means the entire amount or the whole value of 70. Since 100% represents the whole, the answer is simply 70.
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5.
90% of ___ =27
Explanation The equation "90% of 30 = 27" means that if you take 90% of the number 30, the result should be 27. In this case, the number that satisfies this equation is indeed 30.
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6.
180% 0f ____ =108
Explanation To find the missing value, we need to solve the equation. The equation states that 180% of a certain number is equal to 108. To solve this, we can set up the equation as (180/100) * x = 108, where x represents the missing value. Simplifying this equation gives us 1.8x = 108. Dividing both sides by 1.8, we find that x = 60. Therefore, the missing value is 60.
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7.
90% of ____ =72
Explanation The equation states that 90% of a certain number is equal to 72. To find that number, we can set up a proportion: 90/100 = 72/x. Cross multiplying, we get 90x = 7200. Dividing both sides by 90, we find that x = 80. Therefore, the missing number is 80.
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8.
80% of ____ =64
Explanation 80% of a number is equal to 64. To find the number, we can set up the equation: 0.8x = 64, where x represents the unknown number. To solve for x, we divide both sides of the equation by 0.8. This gives us x = 80, meaning that 80 is the number that satisfies the given equation.
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9.
____% of 190=171
Explanation To find the missing percentage, you can set up the equation:
x% of 190=171
To solve for x%, divide both sides of the equation by 190:
x/100⋅190=171
Now, isolate x by dividing both sides by 190:
x=171/190⋅100
Calculating this:
x=171/190⋅100≈90
So, 90% of 190=171
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10.
____% of 80=72
Explanation To find the percentage of a number, we multiply the number by the percentage and divide by 100. In this case, we want to find what percentage of 80 is equal to 72. Let's assume the percentage is x. So, the equation becomes x% of 80 = 72. To solve for x, we can rewrite the equation as x/100 * 80 = 72. Dividing both sides by 80 gives us x/100 = 0.9. Multiplying both sides by 100, we get x = 90. Therefore, 90% of 80 is equal to 72.
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11.
____% of 130=78
Explanation To find the percentage of a number, you multiply the number by the percentage and then divide by 100. In this case, we are trying to find what percentage of 130 equals 78. So we can set up the equation (x/100) * 130 = 78, where x represents the percentage we are looking for. To solve for x, we can divide both sides of the equation by 130, giving us (x/100) = 78/130. By cross-multiplying, we get 130x = 7800, and dividing by 130, we find x = 60. Therefore, 60% of 130 is equal to 78.
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12.
____% of 180 =54
Explanation The given equation "____% of 180 = 54" can be solved by finding what percentage of 180 equals 54. To do this, we divide 54 by 180 and multiply the result by 100 to convert it into a percentage. The calculation is (54/180) * 100 = 30. Therefore, 30% of 180 is equal to 54.
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