3 years ago

Can anyone help me on the top two

Mathematics

1 answer:

Alika [10]3 years ago

5 0

Answer:

14) y = 81

15) n = 6

Step-by-step explanation:

14)

54:30 = y:45

cross multiply: 45(54) = 30y, so y = 81

15)

6:3 = 12:n

cross multiply: 12(3) =6n, so n = 6

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