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LiRa [457]
3 years ago
15

2. A printing machine makes 240 books

Mathematics
2 answers:
Marizza181 [45]3 years ago
7 0

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Answer: 8 books/ hour

Explanation:

240 / 30 = 8 books/ hour

I hope this helped!

<!> Brainliest is appreciated! <!>

- Zack Slocum

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Finger [1]3 years ago
6 0

Answer:

8 books

Step-by-step explanation:

durjddndndnfnenfdndndnfn

hope this helps!

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4 0
4 years ago
She has 40 coins all made up of quarters and dimes, And when she counted them up she had $7.75 from them, how much of each did s
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Answer:

x = number of quarters = 25

y = number of dimes = 15

Step-by-step explanation:

Let

x = number of quarters

y = number of dimes

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x + y = 40 (1)

0.25x + 0.10y = 7.75 (2)

From (1)

x = 40 - y

Substitute x = 40 - y into (2)

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0.25(40 - y) + 0.10y = 7.75

10 - 0.25y + 0.10y = 7.75

- 0.25y + 0.10y = 7.75 - 10

-0.15y = -2.25

y = -2.25/-0.15

y = 15

Substitute y = 15 into (1)

x + y = 40 (1)

x + 15 = 40

x = 40 - 15

x = 25

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y = number of dimes = 15

Total quarters = 25 × $0.25

= $6.25

Total dimes = 15 × $0.10

= $1.5

6 0
3 years ago
A store pays $270 for a bike and there is a 45% markup. What is the selling price (total price) of the bike?
I am Lyosha [343]
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Work Shown:

1.45*270 = 391.50

The multiplier 1.45 represents a 45% increase

Think of it as 1.45 = 1+0.45 = 100% + 45%

5 0
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Step-by-step explanation:

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