PLEASEEEEEE SHOW WORK

1. Which of the following ratios is equivalent to 2:5?
   
   

A5:2

B2:7

C14:35

D22:25

1. The ratio of boys to girls in Mandy's mathematics class is 3 to 12. The ratio is the same in Mandy's science class, in which there are 20 girls. How many boys are there in Mandy's science class?
   
   

A5

B8

C11

D15