Question

In 2020, the expenditure of person 'P' on food, travelling, and other expenses follows the ratio 7:10:5. In 2021, the expenditure on food and travelling increased by 20% and 25%, respectively, while the expenditure on other expenses decreased by 10%. Determine the approximate percentage increase in the total expenditure from 2020 to 2021.

A 35%
B 45%
C 15%
D 65%
E None of these
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