Which story problems could be solved using the given equation?

1/5 (divide) 10 = ?

a) gear spins 1 full turn every 1/5 of a second. how many full turns will the gear spin in 10 seconds?
b) brandy bought 10 tickets for rides at the carnival with 1/5 of the money she earned. each ticket costs the same amount. what fraction of the money she earned did she spend on each ticket?
c) jeff is mixing flour and water to make paste. each container can hold 1/5 of a bag of flour. how many containers will be needed for 10 bags of flour?
d)
effie used 1/5 of a watering can to water 10 small plants. effie watered each plant with the same amount of water. what fraction of all the water in the watering can did each plant receive?