Question

Write each of the following as a ratio in its simplest form

90 second to 7 minutes

Answer 1

Answer:

$90 \: sec \: \div 7 \: min \\ \frac{90}{7 \times 60} = \frac{ {3}}{14}$

Answer 2

Answer:

1min=60sec

7min.=420sec

so,

90:420

90/420

3/14

3:14.

Answer = 3:14