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amm1812
2 years ago
11

Kayla has decided to paint the ceiling in the living room. She has 1/30 gallon of paint left. The living room ceiling will take

5/6 gallon. After buying another gallon and painting the ceiling, how much paint will she have left?
Mathematics
1 answer:
ella [17]2 years ago
3 0
So the ceiling takes 5/6 gallon to paint. We know that you already have 1/30 gallon and another gallon in addition to that. We must convert the 5/6 into ?/30 so we can see how much we need to use. So if we convert 5/6 to out of 30, we get 25/30. So the first can has 1/30 gallon so we subtract that amount from the total paint needed. So now we only need 24/30 gallon to paint the ceiling. If we subtract that amount needed from the full (30/30) can we have left, that will give us the remaining amount of paint we have left. 30/30-24/30= 6/30. This reduces to 1/5. So there is 1/5 gallon of paint left over after painting the ceiling.
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3 years ago
At the north campus of a performing arts​ school, 30​% of the students are music majors. At the south​ campus, 70​% of the stude
Ivenika [448]

Answer:

The north campus had 600 students (180 music majors)

The south campus had 400 students (280 music majors)

Step-by-step explanation:

x = number of students at the north campus before the merger

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The equation for music major is:

0,3x + 0,7(1000-x) = 0,46(1000)

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400*(0,7) = 280------>music majors at the south

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3 years ago
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Answer:

D

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3 years ago
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Step-by-step explanation:

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