Problema Solution
Jill had $90. She bought a skirt that normally costs $42 but was on sale for half price. She also bought a T-shirt that was $8 off its regular price. Before sales tax, the total cost of the clothes was $31. What was the regular price of the T-shirt?
Answer provided by our tutors
Jill paid 42/2 = 21$ for the skirt.
Let 'x' represent the regular price of the T-shirt.
T-shirt was $8 off its regular price means Jill paid 'x - 8' for the T-shirt.
Since the total cost was $31 we have:
21 + (x - 8) = 31
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click here to see the equations solved for x
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x = $18
The regular price of the T-shirt was $18.