Direction:Write D if the problem is solve for Direct Proportion and I if Inverse Proportion.
1.Jose can reach home in 50 minutes at 65km/h.At what speed should he drive his car ?
so that can reach home 10 minutes earlier?
2.Five trucks can transfer 150 tons of fruit a day.How many days does it take for 7 trucks to transfer 630 tons of fruits?
3.It takes 30 minutes to ride his bicycle at 30kph from home to the grocery store.To shorter his travel time to 16 minutes for the same distance,how fast should he have cycled?
4.If 3 men can flow a field in 4 days,how long will 6 men do?
5.A farmer has enough feeds for 72 chickens for 14 days.If he sells 16 chicken,how long will the feeds last?
6.During a camp,the food supply brought by 6 boys lasted for 12 days.How long would the supply last if there were 9 boys?
7.It takes 4 pipes to fill the pool in 2 hours.How long would it take if we have 8 pipes?
8.A car goes 275 km on 3 liters of gasoline.How far it can go on 15 liters?
9.In 1 hour of exercises,750 calories are burned out.How many hours of exercises will needed to burn 900 calories?
10.At 7 km in 2 hours,how far can you hike in 5 hours?​