SOLUTION: Prior to a sale, 17 t-shirts sold at £8 each. The summer sale began and a further 85 t-shirts were sold at a reduced price. The average amount paid for each tee shirt over th

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Prior to a sale, 17 t-shirts sold at £8 each. The summer sale began and a further 85 t-shirts were sold at a reduced price. The average amount paid for each tee shirt over th      Log On


   

Question 988861: Prior to a sale, 17 t-shirts sold at £8 each.
The summer sale began and a further 85 t-shirts were sold at a reduced price.
The average amount paid for each tee shirt over the whole time was £6.
What was the sale price?
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
.
S=sale price
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(£8)(17)+85S=(85+17)(£6)
£136+85S=102(£6)
£136+85S=£612
85S=£476
S=£5.60
ANSWER: The sale price was £5.60.