So far, 37 miles of a new highway have been completed. this is one mile less than two thirds of the entire length. how long with the new highway be when completed.

57 miles, 37+ 1 = 38 38/2 = 19 38 + 19= 57

The answer to that question your asking is 64

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.