Question

Pls help plssss plssss :(

Answer 1

Explanation:

1)

ratio of faces to blocks in three different ways

3:4

6:8

9:12

ratio of blocks to the total in three ways

4:7

8:14

12:21

what does the ratio 3:7 represents

ratio of faces to the total

2)

number of girls in the class= 28-17=11

11:28