Question

PLEASE SHOW WORK
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Answer 1

Equation: 2.50 + 3h = 13.00

Solution: h = 3.50

Explanation:

Letting h be the cost of one hamburger:

`2.50 + 3h = 13.00`

`3h = 10.50`

`h = 3.50`

So the cost of one hamburger is $3.50.