exam Maths Puzzle Numerical Ability

I need help with story problems

Solve the problem and show solution used......In a town election the winning candidate had 220 more votes than the loser. If 810 votes were cast in all how many did each candidate receive?

thanks
heather

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exam Other Question

On this do I multiply 7w to both the one is ()? I am all confused here.

7w(2w - 3)(2w + 3)
Is this correct?

4/5a<-12

a<-15