Pumps 5 5 pump pumped in 3 hours 1800 hl of water. How many hectoliters of water pumped 4 equally powerful pumps in 6 hours?

In fractions An ant climbs 2/5 of the pole on the first hour and climbs 1/4 of the pole on the next hour. What part of the pole does the ant climb in two hours?

Chocolate I eat 24 chocolate in 10 days. How many chocolate I eat in 15 days at the same pace?

Grandmother and grandfather Grandmother baked cakes. Grandfather ate half, then quarter of the rest ate Peter and Paul ate half of rest. For parents left 6 cakes. How many cakes maked the grandmother?

Good swimmer Good swimmer swims 23 m distance with ten shots. With how many shots he swim to an island located 81 m if still swims at the same speed?

Divide money Divide 1200 USD at a ratio of 1:2:3:4:5:6:9:10

Withdrawal If I withdrew 2/5 of my total savings and spent 7/10 of that amount. What fraction do I have in left in my savings?

Pizza 4 Marcus ate half pizza on monday night. He than ate one third of the remaining pizza on Tuesday. Which of the following expressions show how much pizza marcus ate in total?

Number I think the number. If I add to its third seven I get same as when to its quarter add 8. Which is the number?

Unknown number 6 Determine x if 1/6 of x is equal to 2/5 of the number 24.

School library The school library contains 6300 books. With this constitutes 7% of professional books for teachers 18% interest books and encyclopedias for pupils and the rest of the fairy tales. How much are which books?

Equation Solve equation and check the result: 3x - 3/2 + x - 9,8 = x + 0,4/3 - 7 + 1,6/6

Motor oil 30 liters of oil cost 28.80 Euros. How much cost a liter?

Runners For three runners (on the first to third place) is prepared 30 chocolate that they be distributed in the ratio of 3 : 2 : 1 How much chocolate will get everyone?