Ratios, Proportions and Rates

The ratio of men to women in a 20-member committee is 3:1. How many women must be added to the committee to make the ratio of men to women 3:2?

a. M = {n: 2n - 3 ≤ 37} Where n is a counting number. i). write down all the elements in M. ii. If a number is selected at random from M what is the probability that it is a: (α) multiple of 3; (β) factor of 10. b. A shop owner gave an end-of-year bonus to two of his attendees, Kontor and Gapson in the ratio of their ages. Gapson's age is one and a half times that of Kontor who is 20 years old. if Kontor received Le 200,000.00, find: i). Find the total amount shared. ii. Find Gapson's share.

If a car runs at a constant speed and takes 4.5 hrs to run a distance of 225 km, what time will it take to run 150 km?

Two numbers are respectively 35% and 80% more than a third number. The ratio of the two numbers is

It takes 12 men 8 hours a day to finish a piece of work in 4 days. In how many days will it take 4 men working 16 hours a day to complete the same piece of work?