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Nastasia [14]
3 years ago
10

Justin can replace three windows in an 8 hour day. How many hours will he need to replace 20 windows on a house

Mathematics
1 answer:
grigory [225]3 years ago
3 0
It would take him 50 hours
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Write a fraction equivalent to 3/5 that has a denominator of 100.
yuradex [85]

Answer:

60/100

Step-by-step explanation:

We know that 20 goes into 100 5 times, so we multiple numerator and denominator by 20 to get an equivalent fraction:

\frac{3}{5} (\frac{20}{20} )=\frac{3(20)}{5(20)} =\frac{60}{100}

6 0
3 years ago
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Is(1, 2)asolutiontotheinequality 2x + 9y < 20 ? yes no Submit
Snezhnost [94]
Plug in x=1 and y=2 into the inequality:-
2x + 9y = 2 + 18 = 20

20 is not < 20 
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8 0
4 years ago
Simplify the ratio 12:18
bonufazy [111]

Answer:

2:3

Step-by-step explanation:

12:18 (divide by small number:1)

6:9(divide by: 3)

2:3(look at both the side and simplify)

4 0
3 years ago
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a mural will be painted on a wall that is 63.5 inches high and 7 yards long. The wall also has two windows that are 2.5 square f
nydimaria [60]
So the answer might be 61.0 because if you subtract (-)63.5 with 2.5 it would 61.0 so i dont know ..but good luck  and if i fail you im so sorry 
5 0
4 years ago
The sum of twice a number and three is greater than forty-nine
mestny [16]

<span>
We divide both sides by 2 to isolate x... 
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2(24) + 3 > 49 
48 + 3 > 49 
51 > 49 </span>
5 0
3 years ago
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