$\"\"$

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The sign shows the equipment rented or sold by a scuba driving store.

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a.

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Write two expression to represent total sales to rent.

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The equipment are $\"\"$ wet suits, $\"\"$ air tanks, $\"\"$ dive flages and selling $\"\"$ under water cameras.

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Observe the table:

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The cost of the wet suits is $\"\"$ , air tanks is $\"\"$ , dive flages is $\"\"$ and under water cameras is $\"\"$ .

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The expression to represents the total sales to rent is $\"\"$ .

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$\"\"$

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b.

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Find total sales.

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$\"\"$ .

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$\"\"$ (Commutative property of additions)

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$\"\"$ (Assosiative property of additions)

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$\"\"$ (Substitution property)

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$\"\"$ (Substitution property)

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Therefore, the total sales is $\"\"$ .

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$\"\"$

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a. The expression to represents the total sales to rent is $\"\"$ .

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b. The total sales is $\"\"$ .