exam Maths Puzzle Numerical Ability

3(x+2y-2)-2(2x-2y+5)
Distribute 3 to x+2y-2 and distribute -2 to 2x-2y+5
3x+6y-6-4x+4y-10 (Combine like terms)
-x+10y-16

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exam Other Question
Given the following inequalities which point is located in shaded area?
3x-2y<-1 (the < is underlined)
x+4y>-12 (the > is underlined)
The points are...
-2,3
-2,-8
5,2
6,0 There are 103 coins in all, totalling $15.25. How many quarters and how many dimes are there?