Mary brought $20 for 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
20 - 5.50 + 3.75 + (2) (1.25)+2.75
20-(5.50+3.75+2(1.25)+2.75)
(5.50+3.75+2(1.25)+2.75)-20
How much money does Mary have left?
$3.50
$5.50
$6.50
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