SOLUTION: sales at a local ice cream shop went up 20% in 5 years. if 20,000 ice cream cones were sold in the current year , find the number of ice cream cones sold in 5 years ago

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Question 1052486: sales at a local ice cream shop went up 20% in 5 years. if 20,000 ice cream cones were sold in the current year , find the number of ice cream cones sold in 5 years ago
Answer by jorel555(1290) About Me  (Show Source):
You can put this solution on YOUR website!
Let s be the amount of sales at the shop 5 years ago. Then:
s+.2s=20000
1.2s=20000
s=20000/1.2=16666.67 ice cream cones sold 5 years ago. ☺☺☺☺