Question

.If

z/(z + 15) = 4/9 , then the value of ‘z’ is

(i) 11

(ii) 12

(iii) 13

(iv) 14​

Answer 1

Answer:

12

Step-by-step explanation:

z/(z+15) =4/9

cross multiplication

9z=4(z+15)

9z=4z+60

5z=60

z=60/5

z=12

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Answer 2

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