1) x/30 = 3/10

2) 5/15 = x/9

3) x/15 = 5/75

4) 2/x = 6/30

5) x/20 = 2/10

6) x/5 = 12/6

7) 3/8 = x/4

8) 6/5 = 18/x

9) 4/x = 9/15

10) 2/7 = 8/x

11) 4/x = 25/24

12) 6/x = 18/8​

9

3

1

10

4

10

3/2

15

20/3

28

96/25

??

i think it is 70

step-by-step explanation:

  answer:

  write 548 as 500 + 40 + 8. multiply each addend by 5. then add the three products to get 2,740.