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nignag [31]
3 years ago
13

You had $20 to spend on 3 pencils. after buying them you had $14. How much did each pencil cost?

Mathematics
2 answers:
Likurg_2 [28]3 years ago
8 0
Set up your equation:
$20 - $14 = $6

$6 were spent on all 3 pencils, now divide:

$6 / 3 = $2 per pencil
Darina [25.2K]3 years ago
4 0
You paid 15 cent because 3 divided by 20 is 0.15
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25% of 30 = 7.5
Hope this helps idk if it does tho
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3 years ago
1) A basket of apples are given to a group of students. If 3 apples are given to each student, there will be 8 apples left. If 5
sattari [20]

Answer:

1) either 5 or 6 students in the group

2) 6 rooms are booked

Step-by-step explanation:

1) x students  

3x + 8 = apples

5 (x-1) + y (the one get less than 5 apples)

3x + 8 = 5 (x - 1) + y

3x + 8 = 5x - 5 + y

2x + y = 13

X       1       2      3      4      5      6

Y       11      9      7      5      3       1

because y < 5 so x = 5 or x = 6

2) x rooms are booked

4x + 20   total students

8 (x-1) + y (the students in room not full))

4x + 20 = 8 (x-1) + y

4x + 20 = 8x - 8 + y

4x + y = 28

X       1       2      3      4      5      6

Y       24    20    16    12     8      4

y < 8 answer is 6 rooms

4 0
3 years ago
If the length of segment AC equals 58, what is the length of the midsegment DE
Delicious77 [7]

Answer:

B) 29

Step-by-step explanation:

Given:

AC= 58

Point D and E are the midpoints of side AB and BC Respectively.

Solution:

According to Midpoint theorem which states:

"The segment joining two sides of a triangle at the midpoints of those sides is parallel to the third side and is half the length of the third side."

\therefore DE= \frac{1}{2} AC

DE= \frac{58}{2} =29

Hence length of DE is 29.

4 0
3 years ago
Read 2 more answers
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