Question

125% of 3060– 85% of? = 408
(a) 3890
(b) 3940
(c) 4015
(d) 4020
Please do this through digit sum.​

Answer 1

Answer:

4020

Step-by-step explanation:

Let 125% of 3060 - 85% of x = 408

Then,

85% of x=(125100×3060)−408⇒85100x=3825−408⇒17x20=3417⇒x=(3417×2017)⇒x=4020