If tom has m marbles and tim has three times as many, then how many marbles does tim have? how many more marbles does tim have than tom? how many marbles do they have together?

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.

Delta airlines or untied airlines