2 years ago

Your quiz grades are a 63% and an 87% what's ur grade average

Mathematics

1 answer:

Fantom [35]2 years ago

6 0

Answer:

75 is your grade average.

Step-by-step explanation:

To find the average you add up all the numbers you have and then divide the sum of those numbers by the number of all the numbers you have. (I hope that made sense).

+ 87

_____

150

150/2 = 75%

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Brownies sold by Martha on Saturday = 60

Cookies sold by Martha on Saturday = 42

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Total brownies sold by Martha over the weekend = $60+28=88$

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Total cost of brownies sold over the weekend = $88\times \$0.20 = \$17.6$

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