exam Maths Puzzle Numerical Ability

Could someone please show me step-by-step how to solve this? Thank You for your help.
Solve the system.
4x^2-4y^2=20
3x^2+2y^2=35

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exam Other Question

Fruit baskets cost $16 each. How many do you have to sell to raise $115? can you please help me with my homework. create a proportion from each set of numbers

1. 12,36,1,3
2. 11,6,33,18
3. 8,48,30,5
4. 33,22,3,2