Answer:
8 cups
Explanation:
The equation is:
Let be amount of cups she can buy.
Using this equation, we get:
Subtract 10 from both sides
Divide both sides by 4.5
≈
Since she can only buy whole cups, the max she can buy is 8 cups.
8
4.5x+10<=50
4.5x<=50-10
4.5x<=40
x<=8.9
round down because can't go beyond 50
x=8 max
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