Question

If a:3=b:4 then 4a-3b+5=??

Answer 1

4a - 3b + 5 = 5

Explanation:

Express the ratios in fractional form

`(a)/(3)` =
`(b)/(4)` ( cross- multiply )

4a = 3b ( subtract 3b from both sides )

4a - 3b = 0

Then

4a - 3b + 5 = 0 + 5 = 5