Adam has some green stickers and blue stickers.
If Adam receives another 424 blue stickers,
the green stickers will be 25% as many as the blue stickers.
If Adam receives another 70 green stickers,
the green stickers will be 75% as many as the blue stickers.

1. How many green stickers are there? 
2. How many blue stickers are there? 

	Scenario 1		Scenario 2
	Green	Blue	Green	Blue
Before	1 u	4 u - 424	3 p - 70	4 p
Change	No change	+ 424	+ 70	No change
After	1 u	4 u	3 p	4 p

(a)
25% = ²⁵₁₀₀ = ¹₄
75% = ⁷⁵₁₀₀ = ³₄

Scenario 1
Number of green stickers at first = 1 u
Number of blue stickers at first = 4 u - 424

Scenario 2
Number of green stickers at first = 3 p - 70
Number of blue stickers at first = 4 p

1 u = 3 p - 70 --- (1)
4 u - 424 = 4 p --- (2)

(2) _{÷ 4}
1 u - 106 = 1 p
1 u = 1 p + 106 --- (3)

(1) = (3)
3 p - 70 = 1 p + 106
3 p - 1 p = 70 + 106
2 p = 176

1 p = 176 ÷ 2 = 88

Number of green stickers
= 3 p - 70
= 3 x 88 - 70
= 264 - 70
= 194

(b)
Number of blue stickers
= 4 p
= 4 x 88
= 352

Answer(s): (a) 194; (b) 352