Please help me. 6th grade math

Answer: Divide distance by speed to get time.
Speed and time are inversely proportional. As speed increases, time decreases.
Distance = speed × time So distance is the the constant of variation.
Step-by-step explanation: Divide distance by speed to get time.
180km÷50km/h = 3.6h by Car
180km÷45km/h = 4h by Bus
180km÷40km/h = 4.5h by Truck
180km÷25km/h = 7,2h by Bicycle
Answer:
Car: 3.6
Bus: 4
Truck: 4.5
Bicycle: 7.2
Inversely proportional
The constant of variation is 180
Step-by-step explanation:
Car: 180 ÷ 50 = 3.6
Bus: 180 ÷ 45 = 4
Truck: 180 ÷ 40 = 4.5
Bicycle: 180 ÷ 25 = 7.2
It's inversely proportional because as speed increases, time decreases.
180 is the only consistent thing when calculating the time it would take to travel.