two numbers a and b are such that 3a - 4b=0 and their LCM is 120 then the sum of the numbers is ?please tell with proper solution and fat please
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Step-by-step explanation:
3a - 4b = 0
3a = 4b
a/b = 4/3
let a = 4x, b= 3x
now,
product of two no = LCM × HCF
4x × 3x = 120 × x ( x is hcf as it is common in both)
12x^2 =120x
12x = 120
x =120/12
x= 10
no are 4×10=40
3×10=30
the sum of the no
40+30= 70
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