Jill , meg and beth are sisters. jill is 2 years younger than meg . beth is half as old as meg . use the same variable to write three algebraic expressions based on this situation. tell what the variable represents and what each expression represents

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.

Many things that seem threatening in the dark become welcoming when we shine light on them