Mathematics, 20.04.2021 03:10, marcoantonioperezpan

Jiro buys 2 rocks that each cost the same amount, r, and a magnifying glass that costs $5. The total cost is $9. Model this situation with an equation and a
hanger diagram.

Pls help i will give

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Jiro buys 2 rocks that each cost the same amount, r, and a magnifying glass that costs $5. The tot...