Question

Clara wants to bike 112 miles this week. That is 20 miles less than 2 times the number of miles she biked last week. How many miles did she bike last week?

Answer 1

Let x be the number of miles Clara biked last week.
112 = 2x - 20
132 = 2x
x = <<66=66>>66
Clara biked 66 miles last week. Answer: \boxed{66}.