Question

Caroline was thinking of a number. Caroline doubles it, then adds 13 to get an answer of 15.1. What was the original number?

Answer 1

you have to do a minus to 15.1 ..

the answe is 2.1

Explanation:

15.1 - 13 = 2.1

Answer 2

Answer: 1.05

Step-by-step:
15.1 - 13 = 2.1
2.1 = 1.05