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Elden [556K]
3 years ago
7

The ratio of 7th grade students to 8th grade students in a soccer league is 17:23. If there are 200 students in all, how many ar

e in 7th grade?
Mathematics
2 answers:
Setler [38]3 years ago
6 0
17:23....added = 40

17/40(200) = 3400/40 = 85 (7th graders)
23/40(200) = 4600/40 = 115 (8th graders)
pashok25 [27]3 years ago
3 0
The answer to your question is 85 7th graders.How is it 85?

A ratio of 17 : 23   means there are 40 equal parts

 

So   (17/40) * 200  =   85   7th graders

 

And  (23/40) * 200  =  115    8th graders

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3 years ago
1. Eight people work in an office. They are paid hourly rates of 12£,15£,15£,14£,14£,13£,14£,13£
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Answer:

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mean=add all the numbers together to get total then divide that total by the number of amounts present 12, 15, 15, 14, 14, 13, 14, 13 =110, then 110/8=13.75 pounds

mode=arrange amounts in order (smallest to largest), then determine which amount appears more than the other amounts 12, 13, 13, 14, 14, 14, 15, 15 =14 appears the most

median=organize numbers from smallest to greatest, count how many there are, then determine which number appears in the middle of all of them 12, 13, 13, 14, 14, 14, 15, 15 = there are 8 numbers present but 14 is in the middle; answer =14

average= take total of mean, then divide it by the number of amounts that appear 110/8 =13.75

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3 years ago
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