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Musya8 [376]
3 years ago
5

Look at pic 10 pts will mark brainilest

Mathematics
2 answers:
irga5000 [103]3 years ago
8 0

Answer:

A) The width is 12 cm; the average time is 3 minutes

Step-by-step explanation:

\frac{5}{3}= \frac{20}{y}

Cross multiply.

5 × y = 3 × 20

5y = 60

5y ÷ 5 = 60 ÷ 5

y = 12

The width is 12 cm. Moving onto the time.

\frac{12}{4} =\frac{y}{1}

Cross multiply.

4 × y = 12 × 1

4y = 12

4y ÷ 4 = 12 ÷ 4

y = 3

The time is 3 minutes.

lawyer [7]3 years ago
5 0

Answer:

answer is d sorry if I'm wrong

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Step-by-step explanation:

Length of the ribbon = 2 1/12 inches

Blue ribbon is 4 time as many inches as long as red

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umka21 [38]
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