Answer:we multiply by the reciprocal of a fraction when completing a division problem because it is a rule in mathematics that when you divide two fraction, you change the division sign to multiplication and flip the fraction at the right of the multiplication sign.
Step-by-step explanation:
For example if you have 4÷ 1/2. It basically means how many 1/2 can one get in 4. And the answers is 8.
Therefore multiplying by the reciprocal of a fraction when completing a division problem is a short cut method that has been tested and proven to be correct.
Answer:
13: 10
21: 20
29: 30
Step-by-step explanation:
Answer:
2 quarters and 5 dimes
Step-by-step explanation:
C......................................
Answer:
15
Step-by-step explanation:
5+4=9
27÷9=3
girl's ratio is 5 so
5×3=15
answer is 15
