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3 years ago

13

Two airliners are 1600 miles apart and heading toward each other at different altitudes. The first plane is traveling north at 6

20 miles per hour, while the second is traveling south at 780 miles per hour. When will the planes pass each other?

1 answer:

viktelen [127]3 years ago

4 0

In approximately around 2 hours and 10 mins

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the table shows the number of minutes Tim has for lunch and study hall. he calculates that these two periods account for 18% of

EleoNora [17]

Tim spends 500 minutes at the school.

Step-by-step explanation:

Given,

Time for lunch = 45 minutes

Time for study hall = 45 minutes

Total = 45+45 = 90 minutes

This represents 18% of the total minutes Tim spend at school.

Let,

x be the total minutes Tim spend at school.

18% of x = 90 minutes

$\frac{18}{100}x=90\\\\0.18x=90$

Dividing both sides by 0.18

$\frac{0.18x}{0.18}=\frac{90}{0.18}\\x=500$

Tim spends 500 minutes at the school.

Keywords: percentage, division

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