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VMariaS [17]
3 years ago
13

It takes Emma 18 minutes to type and spell check 14 pages of a manuscript. Find how long it takes her to type and spell check 77

pages. Round to the nearest whole number if necessary
Mathematics
2 answers:
xxMikexx [17]3 years ago
8 0

Answer:

The ratio is 18:14.

Then, we have to divide 77 by 18.

It is 4.277777777..., rounded by 4.

Then, we multiply 18 * 4.277777777...

so, It is 76.99999...

and finally, It is 77.

NNADVOKAT [17]3 years ago
7 0

Answer:

99 minutes, or an hour and 39 minutes.

Step-by-step explanation:

It takes Emma 18 minutes to do 14 pages. That means that we can set up a proportion, where Emma uses 18 minutes to do 14 pages, which is equal to x minutes per page!

\frac{18}{14} =\frac{x}{1}

14x = 18

7x = 9

x = 9/7

So, each page takes 9/7 minutes for Emma to finish.

She will do 77 pages. 77 * (9/7) = 11 * 9 = 99.

So, it will take Emma 99 minutes, or an hour and 39 minutes, to type and spell check 77 pages.

Hope this helps!

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mamaluj [8]

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Suppose there are 1,000 candies in a jar. There are 50 children in a room. If i want to share 1000 candies among all the children. How can i divide 1,000 candies equally in 50 children.

Step-by-step explanation:

Create a story line(word problem) means to create a fake or real story by translating an algebraic expression in english.

We can create a story by the given 1,000/r:

Suppose there are 1,000 candies in a jar. There are 50 children in a room. If i want to share 1000 candies among all the children. How can i divide 1,000 candies equally in 50 children.

Here r = 50....

7 0
3 years ago
Chris is a fitness instructor.
Marizza181 [45]

Answer:

\begin{array}{|c|c|c|} \cline{1-3}\text{Time of day} & \text{Frequency} & \text{Angle size}\\\cline{1-3}\text{Morning} & 45 & 180\\\cline{1-3}\text{Afternoon} & 15 & \textbf{60}\\\cline{1-3}\text{Evening} & 30 & \textbf{120}\\\cline{1-3}\end{array}

========================================================

Explanation:

In the morning, Chris has 45 clients out of 90 total for the week. This represents the fraction 45/90.

Multiply top and bottom by 4 to get to 180/360. I chose 4 because 90*4 = 360.

So that's how your teacher got 180 degrees for the morning angle.

Or you could compute 45/90 = 0.5 and then say 0.5*360 = 180.

The morning clients make up 50% of all his clients.

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

For the afternoon, he has 15 clients out of 90.

15/90 = (15/90)*(4/4) = 60/360

I multiplied top and bottom by 4 like last time.

However, this time I got 60 as the numerator.

So a 60 degree angle is used for the afternoon clients.

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

In the evening, he has 30 clients to give us the fraction 30/90.

Like before, multiply top and bottom by 4

30/90 = (30*4)/(90*4) =  120/360

We use a 120 degree angle here.

7 0
2 years ago
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