Answer:
Explanation:
no of girls in grade 3 = 84
by the question no of boys are twice the number of girls so
no of boys = 2 * 84 = 168
Total no of pupil in grade 3
= 168 + 84
= 252
hope it will help :)
252
Girls = 84
Boys = 84 * 2 = 168
Total = 252
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