The amount John have left after purchase is $10.8.
John earned $45.90 during the summer break.
He used 1 / 6 of the money to buy trading card. Then he used the following amount to buy the trading card.
Then, he used 3/5 of the remaining amount to buy a sketchbook, and also spends $4.50. Therefore, the total he spends can be computed as follows:
So, He spent
The amount he has left = 45.90 - 7.65 - 22.95 - 4.50 = $10.8
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