Question

what should be added to 2.1 to get 10

Answer 1

7.9 is the answer


Hope Helps:)

Answer 2

Hey Mate,

2.1 + x = 10
( transpose 2.1 to RHS)
x = 10 - 2.1
x = 7.9

So, 7.9 should be added to 2.1 to get 10.

I hope it helps