# Mathematics

Risk of poor grade of**mathematics**in the certificate?

You want to make more friend with math and transform a boring subject to fun and exploring?

Do you want to experience

**sense of joy**of understanding and calculating examples?

Want to hone and practice in thinking, finding solutions?

**Math regard as bearer common sense**, without which it is difficult to achieve a career achievements. Whether as a manager, programmer, a judge, a mason or electrician you'll make decisions every day, the quality of which will depend on your wisdom. The wiser and better decisions in life you do, the more income and vice versa. That will help also our portal with examples from mathematics. If you are looking for materials for mathematics, to prepare for entrance exams, final exams, monitor, you are also good here. In addition to the examples we offer online mathematical calculators.

- Unknown number 5

Daniel think an integer. When he change this number at a ratio of 2:5 he got number 2.8. Determine what number think Daniel. - Raspberries

Dano had 20 raspberries. John had 90% more raspberries than Dano. Determine how many raspberries have Dano and Juraj together. - Rectangle

Perimeter of rectangle is 48 cm. Calculate its dimensions if they are in the ratio 5:3 (width:height) - Money duo

Julius and Mark have together 45 euros. Mark has 50% more money than Julius. Determine the amount of money that have Mark and Julius. - Cancer

Of the 80 people 50 people ill cancer. What percentage of people isn't ill? - Kerosine and petrol

if 4 litres of petrol containing 15% kerosine are added to another 7 litres of petrol containing 10% kerosine, what percentage of the petrol is kerosine? - Price saleoff

Shoes standing y euros. At first they were discounted by 12% and then 50% of the new amount. After this double cheapening the cost was exactly 22 euros. Determine the original price of shoes.

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