Question

1)2:5: :____:20
2)4:____: :5:200
3)____:16 : :21:28
4)7:21: :15:____
5)32:16: :____:21
6)____:10: :18:12




please give me correct answers






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Answer 1

Step-by-step explanation:

1) 2/5=a/20

a=2×20/5

a=8

2)4/b=5/200

b=4×200/5

b=40×4

b=160

3)c/16=21/28

c=21×16/28

c=12

4)7/21=15/c

c=15×21/7

c=45