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Vlad [161]
4 years ago
9

Can someone help me i'm really lost

Mathematics
2 answers:
aniked [119]4 years ago
8 0
1,100m=850m+2000

First, subtract 850m from both sides.

1,100-850=250

250m=2000

Divide each side by 250

m=8

It will be 8 months when they paid the same amount.

1100(8)=8,800

Shaun paid 8,800 dollars

850(8)=6,800
6800+2000=8,800
Taliyah paid 8,800 dollars

8,800+8,800=17,600

They spent 17,600 together.

A) 8 months
B) 17,600 dollars
rusak2 [61]4 years ago
4 0
Its asking how much did they both spent, in total, in order to reach the same amount spent in part A
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<u>Step1:-</u>

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 Zₐ = 1.96

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<u>Step2:-</u>

<u />Margin of error (M.E) = \frac{Z_{\alpha  }S.D }{\sqrt{n} }<u />

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On calculating , we get

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