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Scilla [17]
3 years ago
9

Emma has already read 14 of 21 books on her summer reading list. What percent of the books on her list has she read already?

Mathematics
2 answers:
lakkis [162]3 years ago
5 0
She has read about 67% of the books.
(14/21 = 66.6666666%)

hope this helps!
Lady bird [3.3K]3 years ago
5 0

Answer:

She has read already 14 books of 21, it means 66.7%

Step-by-step explanation:

Emmas has 21 books on her summer reading list. She wants to read them all.

At this moment, she has already read 14 (R) books of 21 total (T) possible.

Now, we can calculate the percentage of books (P) she has read already.

P = (R/T)*100%

P = (14/21)*100%

P = 0.667*100%

P = 66.7%

It means 14 books of 21 books represents 66.7%.

Finally, we can conclude that she has read already 66.7 percent of the books.

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Change the following expression into a single fraction: 3ab+2b^2/ab-a+2b/a+a-2b/b
ella [17]

Answer:

c-5

Step-by-step explanation:

3 0
3 years ago
Branden is paying a dinner bill of $58. He plans to leave a 15% tip. How much in total (including the dinner bill and lip) does
Rina8888 [55]

Answer:

$66.70

Step-by-step explanation:

58x.15= 8.70

8.70+58= 66.70

7 0
3 years ago
The distances (y), in miles, of two cars from their starting points at certain times (x), in hours, are shown by the equations b
Anna007 [38]

Answer:

2 hours, 142 miles

Step-by-step explanation:

Given;

equation of motion of car A as;

y = 55x + 32

equation of motion of car B as;

y = 42x + 58

where;

y is distance measured in miles

x is time measured in hours

When the distance of the two cars are equal, we will have the following equation;

55x + 32 = 42x + 58

collect like terms and solve for x

55x - 42x = 58 - 32

13x = 26

x = 26 /13

x = 2 hours ( x is time measured in hours)

Now substitute in the value of x into any equation of the cars;

y = 55x + 32

y = 55 (2) + 32

y = 110 + 32

y = 142 miles ( y is distance measured in miles)

Thus, the correct option is 2 hours, 142 miles

8 0
3 years ago
3W - 8 + 3W = -4 + 5W - 5<br> can someone do it and show the work / how you did it
andrew11 [14]

Answer:

W = -1

Step-by-step explanation:

3W - 8 + 3W = -4 + 5W - 5

combine like terms

6W - 8 = -9 + 5W

subtract 5w on both sides

W - 8 = -9

add 8 on both sides

W = -1

7 0
3 years ago
Read 2 more answers
7/8 - 1/2 please ASAP
77julia77 [94]

Answer:

3/8 Is your answer.

6 0
3 years ago
Read 2 more answers
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