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Question

P6 Mathematics

Question post on Fri, 16/02/2018 12:54pm

Pls help to solve this question.

Answer

Khong Pek Mao Post on Fri, 16/02/2018 9:58pm

This is a Simultaneous equation.

	R1	R2	R1 × 17	R2 × 10	R1 + R2
Boys	-10	17	-170	170	0
Girls	10	8	170	80	250
Total	120	321	2040	3210	5250

250g = 5250

1g = 5250 ÷ 250 = 21

8g = 21 × 8 = 168 girls