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pogonyaev
2 years ago
12

Two​ trains, Train A and Train​ B, weigh a total of 532 tons. Train A is heavier than Train B. The difference of their weights i

s 450 tons. What is the weight of each​ train?
Mathematics
1 answer:
Nutka1998 [239]2 years ago
7 0
Train A = 450 tons
Train B = 82 tons.

Since train A is heavier we know the difference already which is 450 so just subtract 532 and 450 to get train B (82 tons)
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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:

702 emails

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.

depreciation= \frac{10}{100} *780\\depreciation=0.1*780= 78 emails

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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dezoksy [38]

Answer:

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