Ann was sent by her mum to buy some strawberries. She was given a plastic basket not to squash the strawberries on her way home. The shop assistant weighted the strawberries together with the basket. They weighted 1.754 kg. Ann said that the empty basket weighted 220 g. How much did she pay for the strawberries if the kilo of fruit costs 6 PLN?

The litter for cats can be bought in the packets of eight, ten and fifteen kilos. The bag containing eight kilos of litter costs 15 PLN, of ten kilos costs 18 PLN and of fifteen kilos costs 28 PLN.

Juliusz wants to buy 100 kilos of litter. Which type of the packaging should he choose? 

How much should be paid for 1 kg 27 dag of tomatoes if one kilo of them costs 2,20 PLN?

The price of the book which was 32 PLN fell over 8%. How much money did the price go down? How much is the book after the discount?

If you pay the money for the deposit, the bank offers 6% of the initial deposit after a year. How much money will the bank offer after a year of the deposit of 12120 PLN?

An extra exercise:

Become familiar with the information given by the bricklayers from the 17Indeks górny th^th century and nowadays.

• The bricklayer form the 17Indeks górny th^th century: “I earn 20 grosz a day. 1 PLN equals 30 grosz. The shoes are 1 PLN 20 grosz. Korzec of rye costs 3 PLN”.

• The bricklayer nowadays: “I earn 80 PLN a day. 1 PLN equals 100 grosz. The shoes are 150 PLN. The kilo of the rye costs 80 grosz”.

• KORZEC – it is former Polish measure of the volume which equals 128 litres. Korzec of the rye weights 90 kg.

1. How many days did the bricklayer in the 17Indeks górny th^th century have to work to buy the shoes, and have many days does he have to work nowadays?

2. How many kilos of rye was the bricklayer able to buy un the 17Indeks górny th^th century for his daily income and how many kilos can he buy nowadays?

During the promotion of the new model of car it was a discount of 15% of its price. How much does the car cost during the promotion, if its real cost was 64900 PLN?

Calculate how much the skis are if their first price of 1550 PLN was decreased by 29%.

Calculate, how much the rollerblades are, if their first price 190 PLN increased by 24%.

Describe the method of calculating the price of the product after the increaseincreaseincrease of  10%.