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Dima020 [189]
2 years ago
7

Anna buys 12 pens and 20 pencils for a total of $16. One pen costs $0.40 more than one pencil. What would 1 pen and 1 pencil cos

t?
Mathematics
1 answer:
nevsk [136]2 years ago
5 0

Answer:

Cost of pencil is $0.35 and cost of pen is 0.75

Step-by-step explanation:

The cost of one pencil and one pen is required.

The cost of a pencil is $0.35 and a pen is $0.75.

The number of pens is 12.

The number of pencils is 20.

Let the cost of one pencil be  

A pen costs $0.40 dollar more than pen.

So, cost of a pen is  

Total cost of all the pens and pencils is $16.

Cost of pencil is $0.35 and cost of pen is 0.75

U 2 can help me by marking as brainliest.......

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The sum of integers x and y is 280. If x is divided by 7, the quotient is y. What is the value of x?
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Answer:

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Step-by-step explanation:

The sum of integers x and y is 280; x + y = 280

If x is divided by 7, the quotient is y; x/7 = y so x = 7y

Now you have 2 equations:

x + y = 280

x = 7y

Substitute x = 7y into x + y = 280

7y  + y = 280

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Answer

x = 245

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