What are some ratios that are equivalent to 5/7

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?

Three times the sum of a number and seven is negative thirty-six. what is the number?

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²