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Practical calculations

Deals and best buys

Types of exercises: price per item and buying a pack, which offer is the cheapest, price reduced by a percentage.

Exercises are drawn at random from a large bank - every click gives a different set.

Solved: 0 of 10

1

Problem

You need 12 yoghurts. Corner shop: one yoghurt costs 3.00 zloty. Supermarket: a pack of 6 yoghurts costs 13.20 zloty. Discount store: one yoghurt costs 2.80 zloty, and there is an offer: 3 yoghurts for the price of 2. In which shop will you pay the least?

2

Problem

One cereal bar costs 1.70 zloty, and a pack of 3 cereal bars costs 4.20 zloty. How many zloty do you save by buying the pack instead of 3 cereal bars separately?

3

Problem

A watch cost 232 zloty. In the sale, the price was reduced by 25%. How many zloty does it cost now?

4

Problem

You need 6 notebooks. Corner shop: a pack of 3 notebooks costs 5.70 zloty. Supermarket: one notebook costs 5.30 zloty, and there is an offer: 3 notebooks for the price of 2. Discount store: one notebook costs 2.20 zloty. In which shop will you pay the least?

5

Problem

One roll costs 0.60 zloty, and a bag of 6 rolls costs 3.00 zloty. How many zloty do you save by buying the bag instead of 6 rolls separately?

6

Problem

A pair of shoes cost 180 zloty. In the sale, the price was reduced by 20%. How many zloty does it cost now?

7

Problem

You need 12 pencils. Corner shop: one pencil costs 2.60 zloty, and there is an offer: 3 pencils for the price of 2. Supermarket: a pack of 6 pencils costs 10.80 zloty. Discount store: one pencil costs 2.20 zloty. In which shop will you pay the least?

8

Problem

One yoghurt costs 2.10 zloty, and a pack of 6 yoghurts costs 10.20 zloty. How many zloty do you save by buying the pack instead of 6 yoghurts separately?

9

Problem

A jacket cost 120 zloty. In the sale, the price was reduced by 10%. How many zloty does it cost now?

10

Problem

You need 12 pencils. Corner shop: one pencil costs 2.70 zloty. Supermarket: one pencil costs 2.20 zloty, and there is an offer: 3 pencils for the price of 2. Discount store: a pack of 6 pencils costs 11.40 zloty. In which shop will you pay the least?

This address is one particular set - everyone who opens it gets exactly the same exercises. Copy the link from the address bar and send it to the class. You can generate a new set at the top of the page.

PhiBoard is a free online whiteboard for maths

These exercises are part of it. On the board itself you can plot a function, write a formula in LaTeX, or solve a problem together with a teacher or a friend - live, in the browser. Our app is completely free.

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Deals and best buys - exercises with solutions (Practical calculations) | PhiBoard