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Lana71 [14]
3 years ago
11

tennis balls cost $7 for a can of 3. steve gives the cashier $40 to buy balla ans received $12 in change. how lmany tennis balls

did steve buy
Mathematics
2 answers:
Rasek [7]3 years ago
7 0
Hello! So, Steve has $40, and gets back $12 in change. If you know your basic math, 40 - 12 is 28, and 7 * 4 is 28. That means he bought 4 cans of 3 balls. 4 * 3 is 12. There. Steve bought 12 tennis balls.
aleksklad [387]3 years ago
3 0
I think he bought 12 tennis balls meaning 4 packs
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Food 1  (x₁)               10                       1                   4              80

Food 2 (x₂)               15                       2                  8              120

Food 3 (x₃)               20                       1                  11              100

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