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Mathematics, 30.04.2021 23:00 sibbietiggy9372

Paintbrushes normally cost $7 each, but they are on sale for $1 off. A paintbrush case costs $16. The expression 7p − p + 16 can be used to find the cost in dollars of buying p paintbrushes on sale plus a case for them. The bar model below simplifies the expression 7p − p + 16 using squares to model combining like terms.

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Paintbrushes normally cost $7 each, but they are on sale for $1 off. A paintbrush case costs $16. Th...
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