Answer:
For number 1, the answer is 40%.
Explanation:
- You use 1.75 - 1.25 which is 0.5
- You use the 0.5 divided by 1.25 times 100.
- So the formula for this type of question should be:
Increase = New Number - Original Number
% increase = Increase ÷ Original Number × 100
I hope this helps!