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Yanka [14]
3 years ago
6

In a certain year, the average e-mail user sent or received 111 e-mails each day. The number of e-mails received was 3 more than

twice the number
sent. How many were sent and how many were received each day?
Mathematics
1 answer:
Ludmilka [50]3 years ago
7 0

Answer:

Number of sent mail = 36

Number of received mail = 75

Step-by-step explanation:

Let,

x be the number of mails sent

y be the number of mails received

According to given statement;

x + y = 111      Eqn 1

y = 2x + 3     Eqn 2

Putting value of y from Eqn 2 in Eqn 1

x + 2x + 3 = 111

3x = 111 - 3

3x = 108

Dividing both sides by 3

\frac{3x}{3}=\frac{108}{3}\\x = 36

Putting x = 36 in Eqn 2

y = 2(36) + 3

y = 72 + 3 = 75

Hence,

Number of sent mail = 36

Number of received mail = 75

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