Question

two numbers are in the ratio 3 is to 4 and their sum of their cube is 307.125 .find the numbers

Answer 1

Answer:

LET THE NO. BE 3X AND 4X

A/Q,

(3X)³+(4X)³=307.125

27X³+64X³=307.125

91X³=307.125

X³=3.375

X³=3375/1000

X³=15³/10³

X³=(15/10)³

X³=(1.5)³

X=1.5

HENCE THE NO. WILL BE 3X=3×1.5=4.5

4X=4×1.5=6