Question

What should be substracted from 12 3by 5 to get 7 1 by 5

Answer 1

Answer:

10.4

Step-by-step explanation:

Let x be subtracted

123 / 5 -x = 71/5

or, 123 - 5x / 5 =71 / 5

or, (123 - 5x) 5 = 71*5

or, 615 - 25x = 355

or, 615 - 355 = 25x

or, 260  / 25 = x

Therefore, x = 10.4