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Fittoniya [83]
3 years ago
5

Write the proportion and solve:

Mathematics
2 answers:
masya89 [10]3 years ago
8 0

Answer:

810 minutes

13 hours 30 minutes

Step-by-step explanation:

Let the unknown value be x

5\:miles = 45 \: minutes\\90\:miles = x\:minutes

Sole the proportion for x ; Cross Multiply

5\times \:x =90 \times 45\\\\5x\: = 4050

Divide both sides of the equation by 5

\frac{5x}{5} = \frac{4050}{5} \\\\x = 810 \:minutes =\\13 \:hours \:30\:minutes

Crazy boy [7]3 years ago
7 0

Answer:

810 minutes

Step-by-step explanation:

90÷5=18

18×45=810

It will take him 810 mins.

I hope this helped!!

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