Operations With Rational Numbers
5 Questions
| Attempts: 333
Mathematical operations with decimals and percents.
Questions and Answers
- 1.45.17 + 327.19 =
- A.
37.92
- B.
372.96
- C.
778.9
- 2.58.49 x 22.118 =
- A.
1293.68182
- B.
12936.8182
- C.
129.37
- 3.457.89 - 32.74 =
- A.
13.15
- B.
425.15
- C.
490.63
- 4.210.45 / .05 =
- A.
42.90
- B.
420.9
- C.
4209
- 5.How could you find 15% of $72.00
- A.
Convert 15% to the decimal .15 and multiply $7.20 times .15.
- B.
10% of $72.00 is $7.20 plus 5% of $72.00 is half of 10%, so $7.20 plus $3.60 equals $10.80.
- C.
Find 1% of $72.00 which is .72 and multiply by 15.
- D.
A
- E.
A and B
- F.
All of the above.
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