The Happy Pup Pet Shop sells homemade dog biscuits. Leon is buying 25 biscuits for his dogs. The bacon biscuits are expensive, so he gets fewer than 9 of those and peanut butter biscuits for the rest. Let b represent the number of bacon biscuits Leon might get. Which inequality models the story?

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.