Chapter 6, Problem 1MCQ

To determine

To calculate: the ratios for different activities.

Answer to Problem 1MCQ

a. the ratio for hours he is school or travelling to and from school to the hours in a day is $\frac{7}{1}$ .

b. the ratio of hour he is asleep to the hours in a day is $\frac{3}{8}$ .

c.the ratio of hours he is awake to the hours he is asleep is $\frac{5}{3}$ .

Explanation of Solution

Given information : consider, the dataprovided in the question,

  

Calculation : for solve this question −

a.to find the ratio of hour school and travelling to and from school divide the hours spending in school by spending hours in travelling to and from school,

  $\frac{school}{travellingto\text{ and from school}}$ = $\frac{7}{1}$

b.to find the ratio of asleep to the hour in a day divide the hours of asleep by total number of hours in a day,

  $\frac{asleep}{total\text{ hours in day}}$ = $\frac{9}{24}=\frac{3}{8}$

c.to find the ratio of awake and asleep, divide the hours of awake by asleep,

  $\frac{awake}{asleep}=\frac{15}{9}$

  $\frac{awake}{asleep}$ = $\frac{5}{3}$

Hence,

Thus,

a. the ratio for hours he is school or travelling to and from school to the hours in a day is $\frac{7}{1}$ .

b. the ratio of hour he is asleep to the hours in a day is $\frac{3}{8}$ .

c. the ratio of hours he is awake to the hours he is asleep is $\frac{5}{3}$ .