Question

last year, tony biked 291 miles. this year, he biked ( d ) miles. using ( d ), write an expression for the total number of miles he biked.

Explanation:

Step1: Identify the miles for each year

Last year's miles: \( 291 \)
This year's miles: \( d \)

Step2: Add the two amounts to get total

To find the total miles, we add the miles from last year and this year. So the expression is \( 291 + d \).

Answer:

\( 291 + d \)