PSLE
Cindy and Tina folded paper stars over two days. On Monday, Cindy folded 64 paper stars more than Tina. On Tuesday, Cindy folded another 17 paper stars and Tina folded another 25. At the end of the two days, Cindy made ⁷₁₀ of the total number of stars. What was the number of paper stars that Cindy folded?

	Cindy	Tina	Difference
Before	1 u + 64	1 u	64
Change	+ 17	+ 25
After	1 u + 81	1 u + 25	56
Comparing between Cindy and Tina in the end	7 p	3 p	4 p

Difference between the number of paper stars that Cindy and Tina folded in the end is repeated.

Difference between the number of paper stars that Cindy and Tina folded in the end
= 7 p - 3 p
= 4 p

Difference between the number of paper stars that Cindy and Tina folded in the end
= (1 u + 81) - (1 u + 25)
= 1 u + 81 - 1 u - 25
= 81 - 25
= 56

4 p = 56

1 p = 56 ÷ 4 = 14

Number of paper stars that Cindy folded
= 7 p
= 7 x 14
= 98

Answer(s): 98