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3 years ago

Mattias bought a package of 5 notebooks for $13.95. What is the unit price per notebook?

Mathematics

2 answers:

Marysya12 [62]3 years ago

5 0

Answer:

2.79

Step-by-step explanation:

this solution:

5x=13.95

x=13.95/5

x2.79

so answer is 2.79

sveta [45]3 years ago

3 0

Answer:For one note book is $2.79

Step-by-step explanation:you would divide 13.95 by 5 and get it

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greg is at a used bookstore. Paperback books cost $1 each, and hardcover books cost $2 each. Greg can spend up to $20 in all. Wr

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Step-by-step explanation:

Cost of paperback books = $1x = $x

Cost of hardcover books = $2y

Given Greg can spend a MAXIMUM of $20,

Cost of Paperback books + Cost of hardcover books must be at most 20.

Inequality of this situation =

$x + 2y \leqslant 20$

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3 years ago

There are 5 red marbles, 2 Green marbles and 3 black marbles. What is the probability that red or black is chosen?(answer in dec

ANEK [815]

Answer:

Step-by-step explanation:

5 red marbles, 2 Green marbles and 3 black marbles = 10 marbles

P (red or black) = number of red or black/ total

= (5+3)/10

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3 years ago

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X+3 over 25 = 1 i need help

QveST [7]

Answer:

x = 22

Step-by-step explanation:

(x + 3)/25 = 1

Multiply both sides by 25

x + 3 = 25

-3 -3

x = 22

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3 years ago

The number of pages in an Algebra book is 99 less than the number of pages in a geometry book.

san4es73 [151]

Answer: An equation is *629 = n - 99. The geometry book has 728 pages*

Step-by-step explanation: The Algebra book has 99 pages LESS than the geometry book, in other words, the geometry book has 99 pages MORE than the Algebra book. This equation can be used to find the answer. I’m afraid 530 is not the answer.

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3 years ago

The number of points Marcus scored in different rounds of a computer board game is shown

shtirl [24]

Answer:

583

Step-by-step explanation:

The mean of a data set is the average of the data set. It can be found by adding up all of the values and then dividing by the total number of values added. In this case, one is given the mean, and one needs to find a missing value. Since there is a missing element, add one to the total number of values in the data set. The missing element is represented by the parameter (x). Set up an equation and solve:

$\frac{(236)+(342)+(328)+(352)+(352)+(306)+(317)+(x)}{8}=325\\$

Simplify,

$\frac{2233+x}{8}=352$

Inverse operations,

$2233+x=2816\\\\x = 583$

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3 years ago

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