Question

Two pumps take 5 days to empty a pool. How long will 5 pumps take to empty the same
pool?
4. For cooking a cake for 6 people the recipe says that we need 3 eggs, 150 g of flour and 50 g
of sugar. Calculate how much of each ingredient we need to cook a cake for 9 people.
5. At 65 km/h a journey takes 5 h 25 min. how long will the journey take at a speed of 75 km/h?
6. It takes 12 hours for 3 bricklayers to build a wall. How long will it take for 5 bricklayers?
7. Mara has exchanged $370 and has received €255 without any commission. How much in €
will she receive for $20? How much in $ will she receive for 60 euros?
8. James can write 8 pages with 25 lines per page in one hour. How many pages in one hour
can he write if there are 20 lines on each page?
9. If 2 eggs take 6 minutes to boil, how long will 5 eggs take?
10. A 25 kg tin of paint covers 70 m2 of wall. How many kg would be needed to cover 53 m2 of
wall?
11. My car uses 16 litres of petrol to travel 250 km.
a) How far can I travel with 55 litres?
b) How much petrol do I need to travel 180 km?
12. There were 13 winners in a lottery and each one got 23000€. If there were 3 more winners,
how much will each one receive?

Answer 1

Respuesta:

1. 2 Days

4. 4 1/2 eggs, 225g of flour and 74 g of shugar.

5. 5h20m

Explicación paso a paso:

The answer may be incomplete, but I couldn't answer the last questions.