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?(1 point)
Responses

46 miles


132 miles


264 miles


66 miles

Answer 1

Let x be the number of miles Clara biked last week.
We know that 2x - 20 = 112.
Adding 20 to both sides, we get 2x = 132.
Dividing both sides by 2, we get x = 66.
Clara biked 66 miles last week. Answer: \boxed{66}.