Jon earns $15.50 per week for helping his dad deliver newspapers. He has helped his dad for 3 weeks. Jon uses part of his earnings to buy a new video game that costs $42.39 including tax. How much of his earnings does he have left?

Since Jon has worked for three weeks, we can multiply his weekly earnings by 3, because that’s the amount of weeks he’s earned money.

$15.50 x 3 = $46.50

From there, since Jon bought a video game, we know that he spent his money, meaning we’ll have to subtract the amount he paid for the video game from his total.

$46.50 - $42.39 = $4.11

Therefore, Jon has $4.11 left of his earnings.

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