Question

Sara was thinking of a number. Sara doubles it and gets an answer of 99.7. What was the original number?

Answer 1

Answer:

49.85

Step-by-step explanation:

Let the no. be x.

=> 2x = 99.7

=> x = 99.7/2

=> x = 49.85

Answer 2

Answer:

49.85

Step-by-step explanation:

Let the number and the number to be multiplied be x

x*x=99.7

2x=99.7

x=$\frac{99.7}{2}$

x=49.85

Verification:

49.85*2=99.7

Therefore, answer verified