Question

solve. use estimation to check the solution. 10 mrs. wong drove between chicago and st. louis 8 times last month. altogether she drove 2,376 miles. how far is it from chicago to st. louis?

Explanation:

Step1: Define one-way distance

Let $d$ = one-way miles between cities.

Step2: Total trips to miles

Total miles: $8 \times d = 2376$

Step3: Solve for $d$

$d = \frac{2376}{8}$

Step4: Estimate to check

Round 2376 to 2400. $\frac{2400}{8}=300$. Exact value is close to 300.

Answer:

297 miles