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olga55 [171]
3 years ago
11

In a certain year, the average e-mail user sent or received 114 e-mails each day. The number of e-mails received was 6 more then

twice the number sent. How many were sent and how many were received each day?
Mathematics
1 answer:
Tems11 [23]3 years ago
7 0

Answer:

78 emails

Step-by-step explanation:

Given

Represent sent emails with x and received with y.

So, we have:

x + y = 114 -- First statement

y = 6 + 2x -- Second statement

Required

Determine the number of emails received (y)

Make x the subject in x + y = 114

x = 114 - y

Substitute 114 - y for x in y = 6 + 2x

y = 6 + 2(114 - y)

Open bracket

y = 6 + 228 - 2y

Collect Like Terms

2y+y = 6 + 228

3y = 234

Divide by 3

y = 234/3

y = 78

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