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s344n2d4d5 [400]
3 years ago
9

In Mrs.coopers class 12 of the 21 students completed their essay. What percentage completed their essay?

Mathematics
1 answer:
Fofino [41]3 years ago
7 0

Answer:

57.14

Step-by-step explanation:

12/21 = ?/100

12 time 100=1200

1200 divided by 21 = 57.14

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A science museum makes gift bags for students using 168 magnets, 48 robot figurines, and 24 packs of freeze-dried ice cream. How
skelet666 [1.2K]

Answer:

  • 7 magnets
  • 2 robot figurines
  • 1 pack of freeze-dried ice cream

Step-by-step explanation:

The greatest common factor of 24, 48, and 168 is 24, so 24 gift bags can be made. Each will have 1/24 of the number of gift items of each type that are available.

In each bag are ...

  • 1/24 × 168 magnets = 7 magnets
  • 1/24 × 48 robot figurines = 2 robot figurines
  • 1/24 × 24 packs of ice cream = 1 pack of ice cream

_____

One way to find the greatest common factor (GCF) is to consider whether the smallest number divides all the numbers. If so (as here), then that is the GCF. If not, then consider the smallest difference between any pair of numbers, to see if it divides all of the numbers. If not, then test the smallest positive remainder from any of those divisions. Repeat until you have found a common divisor (which may be 1).

5 0
3 years ago
70% of a number is 63
Nina [5.8K]

Answer:

90

Step-by-step explanation:

90 * 70% = 63

7 0
3 years ago
1/2 s = 15 Solve the equation.
tatuchka [14]
<span>1/2 s = 15
Divide 1/2 on both sides
Final Answer: s = 30</span>
6 0
3 years ago
Helpppppp!! Please ?
Doss [256]

Answer:

I whold say that is 7 or 6. hope this helps please mark me branlenest.

8 0
3 years ago
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a barrel had 20 liters of water. water leaked out from the barrel at a constant rate. after 24 hours, 14 liters of water was lef
Rzqust [24]
Initial volume of water = 20 litres
Final volume of water = 14 litres

Leaked volume of water = 6 litres
Time taken to leak the water = 24 hours

Leaked volume in an hour = 6 / 24
                                          = 0.25 litres
3 0
3 years ago
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