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Lyrx [107]
3 years ago
5

Idk how to do this ?!?! HELP

Mathematics
1 answer:
NISA [10]3 years ago
7 0
It's asking you what percent of 500 is 430, and you can answer that by first dividing 500 by 100 to find 1%, which is 5, and then dividing 430 by 5, which is 86%, which is your answer. To fill in your sheet, you put the 430 in the left box and the 500 on the right. I hope this helps!
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Two groups of staff at a store are making flowers to decorate the entrance. If Group A were to do it alone, it would take them 1
Tcecarenko [31]

Answer:

\dfrac{6750}{7}

Step-by-step explanation:

Let x be the number of flowers. If Group A were to make x flowers alone, it would take them 10 hours to complete the task, then they make \dfrac{x}{10} flowers in an hour.  If Group B were to make x flowers alone, it would take them 15 hours to complete the task, then they make \dfrac{x}{15} flowers in an hour.

The groups decided to work together. They can make \dfrac{x}{10}+\dfrac{x}{15}=\dfrac{x}{6} together in an hour and it takes them \dfrac{x}{\frac{x}{6}}=6 hours. Group B took a break for 1 hour and 40 minutes (1\dfrac{2}{3} hour), then Group B works

6-1\dfrac{2}{3}=4\dfrac{1}{3} hours.

Thus,

\dfrac{x}{10}\cdot 6-\dfrac{x}{15}\cdot 4\dfrac{1}{3}=300,\\ \\\dfrac{3x}{5}-\dfrac{13x}{45}=300,\\ \\14x=300\cdot 45=13500,\\ \\x=\dfrac{13500}{14}=\dfrac{6750}{7}.

6 0
3 years ago
How can you tell when a pattern shows counting on by tens?
Anastaziya [24]
You can tell by using the time tables
6 0
3 years ago
The LCD for 1 over 7 and 1 over 8 is
asambeis [7]
The least common denominator would be 56. Hope I helped you! 
7 0
3 years ago
I just need all the numbers on top in feet on the graph please
sattari [20]

Answer:

2.5, 5, 7.5

Step-by-step explanation:

Count.

3 0
3 years ago
At the beginning of the day, you have a 30-oz bottle of medication. if each dose is 1/2 oz, how many doses in total do you have?
Feliz [49]
Your answer would be 60 ounces.
7 0
3 years ago
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