Respuesta :

kosala1478

Answer:

z=275

Step-by-step explanation:

it has a ratio 1:11

that must be it

MathPhys

Answer:

275

Step-by-step explanation:

z is directly proportional to x:

z = kx

When x is 15, z is 165.

165 = k × 15

k = 11

When x = 25:

z = 11 × 25

z = 275