Question

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

Answer 1

Answer:

4a - 3b + 5 = 5

Step-by-step explanation:

Express the ratios in fractional form

$\frac{a}{3}$ = $\frac{b}{4}$ ( cross- multiply )

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

4a - 3b = 0

Then

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