Mathematics, 30.04.2021 17:20 joejoefofana

Nikki and Dave both work as cleaners. The equation shown models the total amount, n, in dollars that Nikki charges to clean carpets in r rooms. n=20r

The table shows the total amount, d, that Dave charges to clean windows in r rooms. He charges the same amount per room to clean windows.

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Nikki and Dave both work as cleaners. The equation shown models the total amount, n, in dollars that...