Question

if 40% of 70 is x more than 30% of 80 then find x

Answer 1

Hey friend, Here is your answer -
40/100×70 = x+30/100×80
28 = 24 +x
x= 28 -24
x= 4.
Hope it will help you friend.

Answer 2

$\frac{40}{100} \times70 = 28 \\ \\ \frac{30}{100} \times 80 = 24 \\ \\( \frac{40}{100} \times 70) = (\frac{30}{100} \times 80) + x \\ \\ 28 = 24 + x \\ \\ 28 - 24 = x \\ x = 4$