Algebra practice question

Answer: 6

From the second purchase r = 12 − 4g; then 3(12 − 4g) + 2g = 16 gives g = 2 and r = 4, so r + g = 6.

Common wrong answers

If you answered 2

2 is the price of a game.

If you answered 4

4 is the price of a ride.

If you answered 5.6

5.6 divides the two totals by the two counts and averages, which has no basis.

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