Question

To increase an amount by 7%, what single multiplier would you use ?

Answer 1

You would use 1.07 for that

Answer 2

To Increase an amount by 7% what single multiplier would you use
We want 7% more than 100% of the amount, so the multiplier is
(100% + 7%) = 107% = 1.07
[Remember that "percent" means "per hundred," so we divide a percentage by 100 to get the numerical equivalent.]