# 5th grade (10y) + inverse relationship - math problems

1. Chocolate
Leslie bought 8 same chocolates for 16 Eur. How many euros will he pay for 25 chocolates?
2. Medicament
Same type of medicament produces a number of manufacturers in a variety of packages with different content of active substance. Pack 1: includes 60 pills of 600 mg of active substance per pack cost 9 Eur. Pack 2: includes 150 pills of 500 mg of active sub
3. Chickens
2 chickens give 2 eggs in 2 days. How many eggs can give 8 chickens for 8 days?
4. Cats
Two cats caught two mice in two days. How many mouses will catch 6 cats for 6 days?
5. Wage
Increasing the minimum wage while maintaining the other parameters of the system, unemployment will be:
6. Greenhouses
Two workers would make installation of greenhouses for 54 hours. For how many hours does the installation 9 workers?
7. Working time - shortening
The media often speculates about the change (especially to shorten) the working time of the five-day eight-hour working week to another working model. Calculate how many hours a day the employee would have to work a day at 3-day work week if he must work t
8. Liquid soap
Three-member family enough liter of liquid soap for 20 days. After how many days the amount consumed when at the holidays come to us two cousins.
9. Rabbits
Michael breeding rabbits. His 7 rabbits will eat 98 feed rations for 7 days. How many equal portions of feed should be eat 5 rabbits in 6 days?
10. Steps
Patrick step is 65 cm long and his dad step is 10 cm longer. Dad goes bridge in 52 steps. How many steps will go the same bridge by Patrick?
11. Pump
680 liters of water were pumped in 8 minutes. How many liters was spent in 56 minutes?

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