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Charra [1.4K]
2 years ago
12

A teacher bought 12 packet of crayon.seven of the package had 9 crayons and the other five packet had 10.how many crayons did th

e teacher buy In all?
Mathematics
2 answers:
bezimeni [28]2 years ago
7 0

Answer:

113

Step-by-step explanation:

If 7 had 9 then you multiply 9 x 7=63. Then if 5 had 10 multiply that and you get 50. So just add 63 + 50=113

Margarita [4]2 years ago
7 0

Answer:

113 crayons in all (were they crayola or cra-z-art?)

Step-by-step explanation:

OK, 7x9=63, right? and 5x10=50, right. You add 63 and 50 and you get 113. You multiply then add because the amount of crayons in some of the boxes are different, so you need to find how many are in the different ones then find how many are in the other ones.... you are very welcome and thank YOU for making me think!

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7 0
1 year ago
Joe receives an average of 780 emails in his personal account and 760 emails in his work account each month. After changing his
Semmy [17]

Answer:

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Step-by-step explanation:

<h2>This problem bothers on depreciation of value, in this context it is Joe's email that has depreciated by 10%.</h2>

Given data

Average personal emails received monthly = 780 emails

Average work emails received monthly= 760 emails

     

      We are required to solve for the new amount of emails Joe will be receiving after changing his address, to find this value we need to solve for the depreciation of his personal mails.

      After solving for the depreciation , we then need to subtract the depreciation from the initial number of mails to get the new number of mails.

let us solve for 10% depreciation.

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The new number of mails

= initial number of mail- depreciation\\ =780-78= 702 emails

Joe will be receiving an average of 702 emails in his personal account monthly

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