By "jointly as" assume you mean "proportional to". If so,
m = 10*(5/2)*(7/7.5) = 23.333
Solve variation problem
if m varies jointly as z and p, and m=10 when z=2 and p=7.5, find m when z=5 and p=7
1 answer
if m varies jointly as z and p, and m=10 when z=2 and p=7.5, find m when z=5 and p=7
1 answer