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harina [27]
3 years ago
5

Suppose that 17 inches of wire costs 68 cents.

Mathematics
2 answers:
LUCKY_DIMON [66]3 years ago
7 0

Cost of 17 inches of wire = 68 cents

Cost of 1 inch of wire

= 68 cents/17

= 4 cents

Cost of 39 inches of wire

= 4 cents × 39

= 156 cents

= $1.56

vfiekz [6]3 years ago
6 0

Answer:

5

Step-by-step explanation:

17 inches is equal to 39 inches and it's answer is 5

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To divide fractions, invert the second one (turn it upside-down), then multiply the numerators and denominators.Divide

12 and 1 over 412

1

4

÷ 7 over 8

7

8

= 392 over 28

392

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Step 1 of 2: Divide, sub-step a: Convert mixed number to improper fraction.

Convert mixed number to improper fraction

12 and 1 over 412

1

4

= ( 12 × 4 ) over 4

12 × 4

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+ 1 over 4

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48 + 1

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Step 1 of 2: Divide, sub-step b: Divide.

Divide

49 over 4

49

4

÷ 7 over 8

7

8

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49

4

× 8 over 7

8

7

= ( 49 × 8 ) over ( 4 × 7 )

49 × 8

4 × 7

= 392 over 28

392

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To divide fractions, invert the second one (turn it upside-down), then multiply the numerators and denominators.

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