You can use the two numbers in the ratio to apply onto a problem. Finding the unit rate helps. For example, when you have 3 bananas for every tomato, that means that for each tomato you buy, you buy 3 bananas. When you compare the two, bananas to tomatoes, it can help solve problems.
answered: Guest
but which class are u may know that first
answered: Guest
4x 20 is 80 but if ther machine is broken then there is none you have to redo the test