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3 votes
Mary is making 5 necklaces for her friends, and she needs 11/12 of a foot of string for each necklace. how many feet of string does she need?

A: 7 4/12 feet
B: 5 11/12 feet
C: 4 /712 feet
D: 3 7/12 feet

2 Answers

4 votes

Answer:C. 4 7/12 I hope this helps

Explanation:

5 times 11/12

Use a/1to convert the expression into a fraction

5/1 times 11/12

To multiply the fractions, multiply the numerators and denominators separately

5 times 11

—————

1 times 12

Multiply the numbers 5 times 11 and 1 times 12

Any expression multiplied by 1 remains the same

Which give you

55/12

Convert the improper fraction into a mixed number

4 7/12

User Uday Chauhan
by
6.6k points
6 votes

Answer: C

Step-by-step explanation: Multiply 5 by 11/12 to find the total length of necklace. Then simply fractions and it goes to 4 and 7/12 feet.

User Tessy
by
6.8k points