# Basic functions - math word problems

1. Similarity The area of the regular 10-gon is 563 cm2. The area of similar 10-gon is 606 dm2. What is the coefficient of similarity.
2. Garden Area of a square garden is 6/4 of triangle garden with sides 56 m, 35 m, and 35 m. How many meters of fencing need to fence a square garden?
3. Pairs At the table sit 10 people, 5 on one side and 5 on the other side. Among them are 3 pairs. Every pair wants to sit opposite each other. How many ways can they sit?
4. Cube zoom How many percents do we increase the volume and surface of the cube if we magnify its edge by 38 %?
5. Store One meter of the textile was discounted by 2 USD. Now 9 m of textile cost as before 8 m. Calculate the old and new price of 1 m of the textile.
6. Tare Gross weight of shipment is 6927 kg and its tare is 7%. Calculate the net weight of the shipment.
7. Wage Increasing the minimum wage while maintaining the other parameters of the system, unemployment will be:
8. Bus vs. train Bus started from point A 10 minutes before the train started from the same place. The bus went an average speed of 49 km/h, train 77 km/h. To point B train and bus arrived simultaneously. Calculate time of train journey, if train and bus travelled the
9. Gutter How much metal is needed for production 60 pieces of gutter pipes with the diameter 17 cm and length of 6 m? The plate bends add 6% of the material.
10. Bonus Gross wage was 527 EUR including 16% bonus. How many EUR were bonuses?
11. Hands The clock shows 12 hours. After how many minutes will angle between the hour and minute hand 90°? Consider the continuous movement of both hands hours.
12. Alcohol How many 55% alcohol we need to pour into 14 liters 75% alcohol to get p3% of the alcohol? How many 65% alcohol we get?
13. IS triangle Calculate interior angles of the isosceles triangle with base 46 cm and legs 49 cm long.
14. Rhombus Internal angles of rhombus is in ratio 2:3. How many times is the shorter diagonal longer than side of rhombus?
15. Scale Swimming pool is long 110 m and 30 m wide. The plan of the city is shown as a rectangle with area 8.25 cm2. What scale is the city plan?
16. Excavation Mr. Billy calculated that excavation for a water connection dig for 12 days. His friend would take 10 days. Billy worked 3 days alone. Then his friend came to help and started on the other end. On what day since the beginning of excavation they met?
17. Three cats If three cats eat three mice in three minutes, after which time 260 cats eat 260 mice?
18. Percent From 99 children who participated in the ski course were 23 excellent skiers, 13 good and 20 average and the rest were beginners. Calculate this data in percentages.
19. Clock What time is now, if the time elapsed after noon is 2/10 of time that elapses before midnight?
20. Subtraction How many times you can subtract the number 4 from the number 64?

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