Question

Турист шел пешком 5 1/3ч со скоростью 4 1/8км/ч и ехал на велосипеде 1 7/15ч со скоростью 12 1/2км/ч Какое расстояние больше то которое преодолел пешком или проехал на велосипеде и на сколько км?

Answer 1

$5 \frac{1}{3} *4 \frac{1}{8} = \frac{16}{3} * \frac{33}{8} =22$км прошел пешком
$1 \frac{7}{15} *12 \frac{1}{2} = \frac{22}{15} * \frac{25}{2} = \frac{55}{3}=18 \frac{1}{3}$км проехал на велосипеде
$22-18 \frac{1}{3} =3 \frac{2}{3}$км на столько прошел больше чем проехал

Answer 2

Calculating the Distances Traveled

To find out which distance is greater, let's first calculate the distances traveled by foot and by bicycle.

The formula to calculate distance is: \[ \text{Distance} = \text{Speed} \times \text{Time} \]

For the distance traveled on foot: \[ \text{Time on foot} = 5 \frac{1}{3} \text{ hours} \] \[ \text{Speed on foot} = 4 \frac{1}{8} \text{ km/h} \] \[ \text{Distance on foot} = 4 \frac{1}{8} \times 5 \frac{1}{3} \]

For the distance traveled by bicycle: \[ \text{Time on bicycle} = 1 \frac{7}{15} \text{ hours} \] \[ \text{Speed on bicycle} = 12 \frac{1}{2} \text{ km/h} \] \[ \text{Distance on bicycle} = 12 \frac{1}{2} \times 1 \frac{7}{15} \]

Calculating the Distances

The distance traveled on foot is approximately 22.1875 km and the distance traveled by bicycle is approximately 18.5 km.

Comparing the Distances

So, the distance traveled on foot is greater than the distance traveled by bicycle by approximately 3.6875 km.