Zachary is planning to drive from City X to City Y. The scale drawing below shows the distance between the two cities with a scale of \( 1 / 2 \) inch \( =18 \) miles. If Zachary drives at an average speed of 30 miles per hour during the entire trip, how much time, in hours and minutes, will it take him to drive fromICity X to City Y?
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To determine how long Zachary's trip will take, we first need to find the distance between City X and City Y using the scale provided. If we measure the distance on the scale drawing and find it to be, say, 3 inches, we can calculate the actual distance like this: Distance = \( \text{Number of inches} \times \text{Miles per inch} \) Using the scale provided, \( 1/2 \) inch \( = 18 \) miles. Therefore, \( 1 \) inch would be \( 36 \) miles. For 3 inches: Distance = \( 3 \text{ inches} \times 36 \text{ miles/inch} = 108 \text{ miles} \) Next, we can find the time to travel this distance at a speed of 30 miles per hour: Time = \( \frac{\text{Distance}}{\text{Speed}} = \frac{108 \text{ miles}}{30 \text{ miles/hour}} = 3.6 \text{ hours} \) To express this in hours and minutes, take the decimal part \( 0.6 \text{ hours} \): Multiply by 60 to convert to minutes: \( 0.6 \times 60 = 36 \text{ minutes} \) So, the total time for the journey is \( 3 \) hours and \( 36 \) minutes.