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KonstantinChe [14]
3 years ago
13

Clara estimates that the length of a hiking trail is 10 km. She later learns that its actual length is 12 km. What is the percen

t error in Clara's estimate?
.002%
8.0%
0.2%
11.5%
Mathematics
1 answer:
Reil [10]3 years ago
5 0
Hold on im figuring it out now

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Below is a piece of a local pizza place menu where Jacob works.
Hatshy [7]

1)

16.90 is about $17

$17 * 3 = 51

6.99 is about $7

7 * 4 = 28

28 + 51 = 79

This is not reasonable because it costs $79, which is more than $75.

7 * 3 = 21

21 + 51 = 72

The customer has enough for 3 supreme pizzas and 3 dessert pizzas.

2)

16.90 is about 17

5.99 is about 6

17 + 6 = 23

23 - 5 = 18

This is reasonable.

3)

14.85 is about 15

6.99 is about 7

15 + 7 = 22

22/100 = 0.22

0.22 * 22 = 4.84

This is reasonable.

4)

16.90 is about 17

14.85 is about 15

5.99 is about 6

6.99 is about 7

17 * 5 = 85

15 * 5 = 75

6 * 5 = 30

7 * 5 = 35

85 + 75 + 30 + 35 = 225

This is reasonable

5)

14.85 + 1.39(4) = 20

1.39 * 4 = 5.56

14.85 + 5.56 = 20.41

This is not reasonable because the total is more then $20.

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3 years ago
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