Question

How to write and expression in terms of x that represents the number of feet Lucas has traveled since they started walking .

Answer 1

SOLUTION.

We have been told that Lucas and Natalie walked the same distance, and that x is the number of feet Lucas traveled.

a. The expression for the number of feet Lucas has walked = x

b. Since Natalie walked the same distance as Lucas,

The expression for the number of feet Natalie has walked = x

c. The expression for the total number of feet Lucas and Natalie has walked

x + x = 2x

d. The expression for the distance between Natalie and Lucas is

210 - 2x