Question

Motor boats travel faster at the speed of about 20km in 1hour ?how far would the motor boats IN three an half hour

Answer 1

Answer:

distance travelled in 1 hour = 20 km

distance travelled in (7/2 hours)$3 \frac{1}{2}$hour = 7/2 × 20 km = 70 km

(if the answer is wrong then please report)