PLEASEEEEEE SHOW WORK

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

A. 5:2
B. 2:7
C. 14:35
D. 22:25

2. 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?

A. 5
B. 8
C. 11
D. 15