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Use mental math to solve the problem. Mario sold his old skateboard for $45. If he buys a new skateboard for double the price that he sold his old one, how much did he pay for his new skateboard?
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5 votes
Use mental math to solve the problem.

Mario sold his old skateboard for $45. If he buys a
new skateboard for double the price that he sold
his old one, how much did he pay for his new
skateboard?

User Clemesha
by
4.4k points

2 Answers

5 votes

He payed $90, this is bc 45×2=90.

User SoapBox
by
4.0k points
4 votes

$90

Explanation: Do 45 x 2

User Dave Lillethun
by
4.2k points
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