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mr_godi [17]
4 years ago
12

Gabriel has already 200 pages of his 530-page number reading book. If he reads at an a average rate of 55 pages per hour, how lo

ng will he need to finish the book? Write and solve an equation to find the answer. Show your work.
Help please
Mathematics
1 answer:
Dafna1 [17]4 years ago
5 0

Answer: 55x +200 = 530           x=6

Step-by-step explanation:

55x +200 = 530

-200                       -200

-------------------------------------------

55x = 330

divide by 55 on both sides

-------------------------------------------------

x=6

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Increase 220 by 15% please
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Lets do this step by step.

1st.) what is 15% as a decimal 
15% = 0.15 

2nd.) multiply 
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3rd) we add that 33 and 220 since this its asking for the increase
220 + 33 = 253

Answer = 253 
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3 years ago
A local hamburger shop sold a combined total of 649 hamburgers and cheeseburgers on Friday. There were 51 fewer cheeseburgers so
katrin2010 [14]

Answer: 350

Step-by-step explanation:

Let the cheeseburger be represented by a.

Since there were 51 fewer cheeseburgers sold than hamburgers. This means that hamburgers will be:

= a + 51.

Since the local hamburger shop sold a combined total of 649 hamburgers and cheeseburgers. This will be:

a + a + 51 = 649

2a + 51 = 649

2a = 649 - 51

2a = 598

a = 598/2

a = 299

299 cheeseburger were sold

Therefore, the number of hamburger sold will be:

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Step-by-step explanation:

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