Question

Lf a:b=4:5 find 5a+b 5a-b

Answer 1

Answer:

5a+b=25

5a-b=20

Step-by-step explanation:

Given => a:b = 4:5

So,

a/b = 4/5

So,

a = 4

b = 5

So,

5a+b

= 5(4)+5

= 20+5

= 25

And

5a-b

= 5(4)-5

= 25-5

= 20

Hope you understand