Problema Solution
At a concert, Nabila purchased 3 t-shirts and a concert program that cost $15. In total, Nabila spent $90. Find the cost of a single t-shirt if they all had the same price.
Answer provided by our tutors
let 't' is the price of one t-shirt
the cost for 3 t-shirts + the cost of the program = the total money spent
3t + 15 = 90
by solving we find
t = $25
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the t-shirt costs $25.