Question

if A:B = 2:3 and b:c=5:3 and a+b+c= 120 then find 2b +3c
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Answer 1

Step-by-step explanation:

a/b=2/3*5/5=10/15

b/c=5/3*3/3=15/9

a/b/c=10/15/9

a=10x

b=15x

c=9x

a/q 34x=120

x=120/34

2b+3c=2*15x+3*9x=30x+27x=57x

57x=57*120/34