Question

Z divided by Z + 15 is equal to 4 / 9​

Answer 1

Answer:

this is the answer for this question

Answer 2

Answer:

z=12

Step-by-step explanation:

$\frac{z}{z + 15} = \frac{4}{9} \\ 9z = 4(z + 15) \\ 9z = 4z + 60 \\ 9z - 4z = 60 \\ 5z = 60 \\ z = 60 \div 5 \\ z = 12$