The inequality to find the maximum number of t-shirts is:

Step-by-step explanation:
Debbie has at most $60 to spend
Then it will be <=60
Now she has to spend 22 dollars on jeans so 22 will be add to the initial amount for sure.
And
Let x be the number of t-shirts
Then the cost of x t-shirts will be 8x
Putting this in to inequality will be:

The inequality to find the maximum number of t-shirts is:

Keywords: Inequality
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I dont know if this is right but here u goo
Answer:
35 cuh
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Its 150 cause V is 1/3*Area*height