Question

if 2160 = 2a ×3b × 5c then find the value of 3a ×2-b ×5-c

Guys please answer to this question for God sake

Don't give rubbish answer to me ​

Answer 1

divide the given no. 2160 by 2*3*5 =72

ie. a*b*c=72

if a=2

b=9

c=4

the value of 3a*2-b*5-c is -42

if a=4

b=3

c=6 then

the value is 12