Question

what must be added to 15 to mark it 70​

Answer 1

let the no. be added is x

15 + X = 70

x= 70-15

x= 55

ANSWER:-. 55

MARK AS A BRAINLIEST

Answer 2

Step-by-step explanation:

let the numbeer to be added be x

15 + x = 70

x = 70 - 15 = 55