Question

the ratio of the volume of sphere is 27:64 if the sum of their radii are 28 cm what is the radius of each of them respectively​

Answer 1

r1/r2=$\sqrt[1/3]{27/64}$

r1/r2=3/4

r1=3r2/4

r1+r2=28

7r2/4=28

r2= 16cm

r1= 3x16/4= 12cm