Mary brought $20 to the skating rink. She paid $5.50 admission and $3.75 to rent skates. She also purchased two bottles of water for $1.25 each, and a snack for $2.75. Which expression can be used to determine how much money Mary has left? How much money does Mary have left?

Amount left = $5.5

Step-by-step explanation:

Given:

Total amount = $20

Spend for admission = $5.50

Spend for rent = $3.75

Spend for 2 bottle = $1.25 each

Spend for snack = $2.75

Find:

Amount left

Computation:

Amount left = Total amount - Spend for admission - Spend for rent - Spend for 2 bottle - Spend for snack

Amount left = $20 - $5.5 - $3.75 - 2($1.25) - 2.75

Amount left = $5.5

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step-by-step explanation: