exam Maths Puzzle Numerical Ability

Solve the system by graphing.

3x + y = -1
9x + 3y = -3

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exam Other Question

In a town election, the winning candidate had 220 more votes than the loser. If 810 votes were cast in all, how many votes did each candidate recieve? Keil is going to make 13 pounds of mixed nuts for a party. Peanuts cost $3.50 per pound and fancy nuts cost $7.50 per pound. If Keil can spend $85.50 on nuts, how many pounds of each should he buy?