Skylar earned 200,000 points on class dojo. this is 10 times as many points she earned last week. how many points did she earn last week?

200,000 divided by 10 = 20,000

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.