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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?
Answer & Solution
Correct Answer:
Option
B
Total number of calories burnt on Saturday
$$\eqalign{ & = 180\times \frac{110}{100}+145\times\frac{120}{100} \cr & = 198 + 174 \cr & = 372 \cr} $$
$$\eqalign{ & = 180\times \frac{110}{100}+145\times\frac{120}{100} \cr & = 198 + 174 \cr & = 372 \cr} $$
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