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Vadim26 [7]
3 years ago
6

Convert 3upon4 in persentage:1. 25%2. 50%3. 1%4. 75%​

Mathematics
1 answer:
Charra [1.4K]3 years ago
3 0

Answer:

75%

Step-by-step explanation:

Think of it this way. 3 quarters is 75 cents. It's the same as 3/4, since 4 quarters makes $1.00.

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A group of 5 teachers bought 3 pens and 1 eraser each. Their total cost for all the materials was $12.89. If the eraser was $0.9
n200080 [17]

Answer:

  • $0.536

Step-by-step explanation:

<u>Variable: </u>

  • p for pen

<u>Equation:</u>

  • 5(3p + 0.97) = 12.89

<u>Solution:</u>

  • 5(3p + 0.97) = 12.89
  • 15p + 4.85 = 12.89
  • 15p = 12.89 - 4.85
  • 15p = 8.04
  • p = 8.04 / 15
  • p = 0.536
7 0
2 years ago
-9/4 v + 4/5 = 7/8 v=? step by step need help asap please
Vesna [10]
-9/4v + 4/5 = 7/8; First, you subtract 4/5 from each side to have variable v on a side and numbers on the other: -9/4v = 7/8 - 4/5; -9/4v = 35/40 - 32/40; -9/4v = 3/40; Then you divide each side to get the variable v alone on a side, and one number on the other: V= (3/40) / (-9/4); Dividing to fractions is equal to multiplying the first one by the inverse of the second: V= (3/40) * (-4/9); V= -12/360; V= -1/30; You can re-check your answer (very important): (-9/4)*(-1/30)+4/5=7/8; The answer has been approved. Hope this helps! :)
4 0
3 years ago
<img src="https://tex.z-dn.net/?f=5%5Cfrac%7B1%7D%7B4%7D%20%20%2B%20%28%20%5Cfrac%7B3%7D%7B4%7D%20%20%2B%201%20%20%5Cfrac%7B5%7D
kobusy [5.1K]

Answer:

7 5/12

Step-by-step explanation:

5 1/4 + 3/4 + 1 5/12

We can add the first two terms

5 1/4 + 3/4

5 4/4

6

6 + 1 5/12

7 5/12

4 0
2 years ago
Three quarter of the students running a 100-yard race finished with an average time of 16 seconds. The remaining 25% of students
iren [92.7K]

Answer:

15 seconds

Step-by-step explanation:

Because the split id 25% and 75%, we could create another average pretending that there are four kids, one who ran in 12 seconds, and three who ran in 16.

Equation for averages: (a₁ + a₂ + a₃ + ... a_{n})/ n

Plug in:<em> (12 + 16 + 16 + 16)/4</em>

Add: 60/4

Divide: 15 seconds

5 0
3 years ago
Natalia is calculating the areas of parallelograms using the following formula: Area=bh, where b represents the base of the para
lions [1.4K]
4 inches think you believe in yourself
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3 years ago
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