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Zepler [3.9K]
3 years ago
15

A bakery sells mocha cupcakes and chocolate cupcakes. It sold 340 mocha cupcakes in a day. 15% of the cupcakes sold that day wer

e chocolate. How many total cupcakes did the bakery sell that day?
Mathematics
1 answer:
slava [35]3 years ago
8 0

Answer:

400 cupcakes

Step-by-step explanation:

So, 340 is 85%. 15% is chocolate.

340/x = 85/100

34000=85x

x=400

Total = 400 cupcakes.

Hope this helps!

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laila [671]

Answer:

The age of each person is:

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  • Mac is <u>66</u> years old.

Step-by-step explanation:

To solve this problem you must make two equations. First, we name Jess and Mac as variables:

j = Jess age.

m = Mac age.

Now we make the equations, the first equation has the information "Jess is 12 years less than half as old as Mac":

1. j=(\frac{m}{2})-12

The second equation has the information "The sum of their age is 87":

2. j+m=87

Now, we replace the first equation in the second one:

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And we operate:

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We clear the variable m:

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How we know Mac's age is 66 years old, we can identify Jess' age with the second equation:

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We replace the value of m:

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In the end, Jess's age is 21 years old.

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