Mathematics, 17.12.2021 04:50 ieshaking28

Leah made note of all the bicycles and cars she could see parked or locked on a certain city block. All the cars had exactly four wheels, and all the bicycles had exactly two wheels. How many wheels were on the block if there were 5 bicycles and 13 cars? How many wheels were on the block if there were x bicycles and y cars?

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Leah made note of all the bicycles and cars she could see parked or locked on a certain city block....