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Amy is starting a bake sale. She sells Cookies for $5 dollars each and cupcakes for $2 each. Karen is also starting a bake sale. She only sells cookies , but for 7.50 each. If Amy gets 50 costumers for cookies and 20 for cupcakes , and Karen gets 70 for cookies , who will make more money?
Hey there!
Here it is:
How many liters of a 20% butterfat milk and a 65% butterfat milk must be mixed to obtain 23 liters of a 85% butterfat milk?
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