I need someone to explain how to solve equations with two variables and tell me what the formula or equation is?

Question

Please help and explain. Thank you!

Answer 1

what does the problem look like?

Answer 2

this is what the problem says

Find five pairs of numbers for shirt and cap sales that will allow the students to make a $600 profit exactly.

I want to know how to write the equation/formula and how to solve it

Answer 3

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