SOLUTION: Sunny's Cafe bought seven and a half liters of cooking oil and Sammy's Diner bought five and a half liters. If Sunny's Cafe had to pay $10 more than Sammy's Diner, find the price o

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Question 1065071: Sunny's Cafe bought seven and a half liters of cooking oil and Sammy's Diner bought five and a half liters. If Sunny's Cafe had to pay $10 more than Sammy's Diner, find the price of one liter of cooking oil.
Found 2 solutions by josmiceli, ikleyn:
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +p+ = the price of 1 liter of cooking oil
+7.5p+=+5.5p+%2B+10+
Multiply both sides by +2+
+15p+=+11p+%2B+20+
+4p+=+20+
+p+=+5+
One liter costs $5.00
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check:
+7.5%2A5+=+5.5%2A5+%2B+10+
+37.5+=+27.5+%2B+10+
+37.5+=+37.5+
OK

Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
.
Sunny's Cafe bought seven and a half liters of cooking oil and Sammy's Diner bought five and a half liters.
If Sunny's Cafe had to pay $10 more than Sammy's Diner, find the price of one liter of cooking oil.
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According to the condition, the difference

7.5 liters - 5.5 lites = 2 liters of oil

costs $10.


Hence, 1 liter price is $5.