Question

Mr. Donald's age is 7 times of 1/5 of the total of students in this class plus 12 minus 1. Assuming this class has 25 students in total. What is Mr Donald age?​

Answer 1

46

Explanation:

7×1/5×25+12-1

7×5+12-1

35+12-1

47-1

46

So the answer is 46