The table shows the time Merrida spent driving and the number of miles she drove. She drove the same number of miles each hour.

Merrida’s Driving Time and Distance
Miles
Hours
140
4
175
5
210
6

How many miles did she travel each hour?
23 miles per hour
35 miles per hour
42 miles per hour
53 miles per hour

1 answer

To determine how many miles Merrida traveled each hour, we can calculate the speed for each of the hours given in the table.

  1. For 4 hours and 140 miles: \[ \text{Speed} = \frac{140 \text{ miles}}{4 \text{ hours}} = 35 \text{ miles per hour} \]

  2. For 5 hours and 175 miles: \[ \text{Speed} = \frac{175 \text{ miles}}{5 \text{ hours}} = 35 \text{ miles per hour} \]

  3. For 6 hours and 210 miles: \[ \text{Speed} = \frac{210 \text{ miles}}{6 \text{ hours}} = 35 \text{ miles per hour} \]

In each case, the speed is consistently 35 miles per hour. Therefore, the answer is:

35 miles per hour