Question

Four-fifth of a number is 10more than two-thirds of the number find the number 3 if 10be added to four times a certain number, the result is 5less than five times the number find the number

Answer 1

Step-by-step explanation:

(1) let that number is X

So , X ka 4/5 = X ka 2/3 + 10

4X/5 = 2X/3 + 10

4X/5 - 2X/3 = 10

2X/15 = 10

X = 75

(2) 4X + 10 = 5X - 5

X = 15