Q. The simple interest earned in 7 years is directly proportional to the interest rate r.  If the interest is $950 when r is 10%, what is the amount of interest earned in 7 years at 5% ?

Q. In triangle ABC, the measure of angle B is 29 more than three times the measure of angle A. The measure of angle C is 61 more than the measure of angle A.

Find the measure of A .

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