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

Question

3 years ago

15

the minutes he spends at school .how many minutes does he spend at school?

1 answer:

EleoNora [17] · Answer 1 · 2022-01-21T01:24:53+03:00

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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