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Elena L [17]
3 years ago
10

Nathaniel drives 45 miles in 30 minutes. If he drove three hours in total at the same rate, how far did he go?

Mathematics
2 answers:
yuradex [85]3 years ago
8 0

Answer:

270 miles

Step-by-step explanation:

45x2=90

90x3=270

Alexxx [7]3 years ago
4 0

Answer:

1hr= 60mins

3hrs=180 mins

if 30 mins =45 miles

180 mins=180×45÷30

              =270 miles

Step-by-step explanation: Hope it helps

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in that case the domain and range are considered infinite on both axes.

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The coffee Lily likes is composed of 97.3% water and 2.7% cocoa. The coffee John likes is composed of 96% water and 4% cocoa. Ho
mestny [16]

30 ounces of the coffee John likes consists of

  • 0.96\cdot30=28.8 ounces of water
  • 0.04\cdot30=1.2 ounces of cocoa

To this mixture we're adding x ounces of water, so that the new mix has a total volume of 30+x ounces and matches the composition of the coffee Lily likes. This means it would consist of

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Solve for x:

0.973(30+x)=28.8+x\implies29.12+0.973x=28.8+x

\implies0.39=0.027x

\implies x\approx14.4

###

Just to confirm: the new mixture consists of

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giving a total volume of 43.2+1.2=44.4 ounces of coffee, and \dfrac{43.2}{44.4}\approx0.973, as required.

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