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 c ost $15 and the T-shirts all cost the same.Write and solve an equation to find the cost of one T-shirt."
1 answer:
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.
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