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 \( x \) represent the number of miles Clara biked last week. According to the problem, the equation we can set up is:

\[ 112 = 2x - 20 \]

To solve for \( x \), we first add 20 to both sides:

\[ 112 + 20 = 2x \]

This simplifies to:

\[ 132 = 2x \]

Next, we divide both sides by 2:

\[ x = \frac{132}{2} \]

Calculating this gives:

\[ x = 66 \]

Thus, Clara biked 66 miles last week.