If the number of calories burned by A and B increased by 10% and 20% respectively from Friday to Saturday, what was the total number of calories burned by them together on Saturday?
If the number of calories burned by A and B increased by 10% and 20% respectively from Friday to Saturday, what was the total number of calories burned by them together on Saturday? Correct Answer 372
Total number of calories burnt on Saturday$$\eqalign{& = 180\times \frac{110}{100}+145\times\frac{120}{100} \cr& = 198 + 174 \cr& = 372 \cr} $$