Joaquin will need 1 and two fifths cups to make his famous chocolate chip cookies for his friend's birthday party
To solve this problem we will use a rule of three with the problem information:
5 people-------- 1/4 cup of butter
28 people -------- x
Applying the rule of three we get:
x = ( 28 people * 1/4 cup of butter) / 5 people
x = 1,4 cup of butter
x = 1 + 2/5 cup of butter = 1 and two fifths cups
What is rule of three?
It describes the proportionality of 3 known data and an unknown data. When you have more than 3 known facts that are involved in the proportionality, it is known as a compound rule. The rule of three is also known as a direct proportions.
Learn more about direct proportions at: brainly.com/question/1266676
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