How do you write this equation "at a concert, you purchase 3 T-shirts and a concert program for a total cost of $90. The program cost $15 and the T-shirts all cost the same. Write and solve an equation to find the cost of one T-shirt."

Question

Toby Craig

Mathematics

19 December, 07:13

How do you write this equation "at a concert, you purchase 3 T-shirts and a concert program for a total cost of $90. The program cost $15 and the T-shirts all cost the same. Write and solve an equation to find the cost of one T-shirt."

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Answers (1)

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Ruth Howard · Answer 1

Input 15 as the initial value and (3, 90) as x and y to get the equation 90=m (3) + 15. Isolate m to get m=25. Each shirt costs $25 and the equation that represents the scenario is y=25x+15.