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igomit [66]
3 years ago
11

Rohan buys 1 dozen pens for 180 and Saurav buys 7 pens for 390. Who bought costlier pens ​

Mathematics
2 answers:
lubasha [3.4K]3 years ago
7 0
Saurav is the answer for this question
Assoli18 [71]3 years ago
4 0

Answer:

saurav

Step-by-step explanation:

1 dozen of pen is = 12.

12 = 180

7 = 390

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The smallest of three consecutive integers is 24 less than the sum of the two larger integers. Find the three integers.
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Answer:

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Step-by-step explanation:

Construct equations representing each piece of information.

Three consecutive integers are three numbers in a row, for example, 1, 2 and 3.

Let's let

Integer 1 = X

Integer 2 = Y

Integer 3 = Z

X = (Y + Z) - 24

We also know that

Y = X + 1

and Z = X + 2

We can now sub this information into the first equation. We do this so that we can have only one variable in the equation.

X = (X+1) + (X+2) - 24

now solve for x,

X = 2X + 3 - 24

X = 2X - 21

-X = - 21

X = 21

So, the integers are 21, 22, 23

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Step-by-step explanation:

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Answer:

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