Question

If a: b = 1:3 and b = 60 then find a + b​

Answer 1

Step-by-step explanation:

let the number be x

then a=x

b=3x

to find x

60/3=20

then a=x=20

mark me as brainlest

if it helps you then pls mark me as brainlest

Answer 2

Answer:

a:b=1:3

b=60

a=20

a+b=20+60=80

Therefore the answer is 80.

Step-by-step explanation:

Given a:b=1:3

which means, $\frac{a}{b} =\frac{1}{3}$

So, b=3a (by cross multiplying)

Given b=60

Thus, $a=\frac{b}{3}=\frac{60}{3}$=20

Thus, a+b=20+60=80