Question

1. tiana and rei are biking in the same direction on the same path. tiana rides at a constant speed of 12 miles per hour. select an expression that represents the number of miles tiana travels after rei has been riding for t hours. 12(1/2t) miles; 12(t + 1/2) miles; 12t miles; (12+t+1/2) miles

Explanation:

Step1: Recall distance formula

Distance = Speed × Time

Step2: Match variables to given values

Tiana's speed = 12 mph, time = $t$ hours

Step3: Substitute into formula

Distance = $12 \times t$

Answer:

12t miles