Question

Malinis school is 5 km away from her house
en Her school starts at 8:00 am - suppouse she gets
onto a bus at 7.40 am, and the bus travels
at a speed of 20km/h on average, will she reach
School on the time.​

Answer 1

Answer:

$distance \div speed = time \\ 5 \div 20 = 0.25 \: hours \\ reach \: at \: school \: = 7hr \: + 40min \: + 0.25hr \\ = 7 \times 60min + 40min + 0.25 \times 60min \\ = 420 + 40 + 15 = 475min \\ = 7hr \: 55min \\ 7 \binom{.}{.} 55 \: am$