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miss Akunina [59]
3 years ago
5

Ling wants to determine the average distance she travels each day in her car. She records the odometer reading each morning for

a week.
Day 1 2 3 4 5 6 7
Odometer (mi) 10,150 10,211 10,424 10,769 10,884 11,155 11,477

What is the mean distance Ling travels each day? Show your work
Mathematics
2 answers:
Anna [14]3 years ago
6 0

Answer:

The Answer is 10724.

Step-by-step explanation:

We add all our numbers to get our total which adds up to: 75,070

We divide this by our number of days which gives us the answer 10724.

barxatty [35]3 years ago
5 0
To find an average or "mean" add all numbers together, then divide by total numbers added together.

10150+10211+10424+10769+10884+11155+11477=75070

75070 ÷ 7 = 10724.28571

(the average distance is the answer above)
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Step-by-step explanation:

<u>Problem 1</u>

<u />\frac{3}{4}x=60\\ \\\frac{3}{4}x*4=60*4\\ \\3x=240\\\\\frac{3x}{3}=\frac{240}{3}\\ \\ x=80


Check solution:

\frac{3}{4}(80)\stackrel{?}{=}60\\\\\frac{3*80}{4}\stackrel{?}{=}60\\\\\frac{240}{4}\stackrel{?}{=}60\\\\60=60

<u>Problem 2</u>

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\frac{2}{5}(105)\stackrel{?}{=}42\\\\\frac{2*105}{5}\stackrel{?}{=}42\\ \\\frac{210}{5}\stackrel{?}{=}42\\ \\42=42

<u>Problem 3</u>

<u />\frac{3}{5}y=40\\ \\\frac{3}{5}y*5=40*5\\ \\3y=200\\\\\frac{3y}{3}=\frac{200}{3}\\ \\ y=\frac{200}{3}

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\frac{3}{5}(\frac{200}{3})\stackrel{?}{=} 40\\ \\ \frac{3*200}{5*3}\stackrel{?}{=} 40\\ \\\frac{600}{15}\stackrel{?}{=}40\\\\40=40

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<u />\frac{5}{6}x=4\\ \\\frac{5}{6}x*6=4*6\\ \\5x=24\\\\\frac{5x}{5}=\frac{24}{5}\\ \\ x=\frac{24}{5}

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\frac{5}{6}(\frac{24}{5})\stackrel{?}{=}4\\ \\\frac{5*24}{6*5}\stackrel{?}{=}4\\\\\frac{24}{6}\stackrel{?}{=}4\\ \\4=4

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\frac{5}{3}(\frac{36}{5})\stackrel{?}{=}12\\\\\frac{5*36}{3*5}\stackrel{?}{=}12\\ \\\frac{36}{3}\stackrel{?}{=}12\\ \\12=12

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