There are six female goldfish for every 10 male goldfish in the aquarium at the office there are 216 female goldfish in the aquarium how many male goldfish are in the aquarium.

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.

Dwould be the answer