# Basic functions - math word problems

1. Tare Gross weight of shipment is 5188 kg and its tare is 5.6%. Calculate the net weight of the shipment.
2. Maximum area of rhombus Calculate the interior angles at which equilateral rhombus has a maximum area.
3. Greenhouses Two workers would make installation of greenhouses for 54 hours. For how many hours does the installation 9 workers?
4. Gear Two gears, fit into each other, has transfer 2:3. Centres of gears are spaced 82 cm. What are the radii of the gears?
5. Rectangle In rectangle ABCD with sides |AB|=19, |AD|=16 is from point A guided perpendicular to the diagonal BD, which intersects at point P. Determine the ratio ?.
6. Cone Circular cone of height 15 cm and volume 5699 cm3 is at one-third of the height (measured from the bottom) cut by a plane parallel to the base. Calculate the radius and circumference of the circular cut.
7. Motion Cyclist started at 9:00 from point S to point T. After 10 minutes, followed him at the same speed the second cyclist. Walker, which went from T to S, started at 9:35. After 71 minutes he met the first cyclist and after next 8 minutes the second cyclist. Di
8. Daily average Calculate the average temperature during the day, when 15 hours was 20 °C and 9 hours was 13 °C.
9. Expansion If one side of the rectangle is larger 4-times and second 2-times, what percentage increases the area of rectangle?
10. When will I be a millionaire? Barry monthly send 280 euros to the bank, which he deposits bear interest of 2.1% p. A. Calculate how many months must Barry save to save 1000000 euros? Inflation, interest rate changes, or bank failures ignore.
11. Sea water Mixing 62 kg of sea water with 84 kg rainwater is created water containing 3.1% salt. How many percent sea water contains salt? Convert 270° to radians. Write result as multiple of number π.
13. Lathe From the cube of edge 37 cm was lathed maximum cylinder. What percentage of the cube is left as waste after lathed?
14. Cu thief The thief stole 122 meters copper wire with cross-section area of 95 mm2. Calculate how much money gets in the scrap redemption, if redeemed copper for 5.5 eur/kg? The density of copper is 8.96 t/m3.
15. Guests How many ways can 9 guests sit down on 11 seats standing in a row?
16. Floor The floor area of ​​the room is 31 m2 and has a width of 4.3 m. How many centimeters of circumference measured floor on the map at the scale 1:75?
17. Arc Circle arc corresponding to angle is 32° is 28 dm long. What is the length of the entire circle?
18. Birthdate Jane on birthday brought 30 lollipops and 24 chewing gum for their friends. How many friends has, if everyone receives the same number of lollipops and chewing gums? How much chewing gum and lollipops got any friend?
19. Milimeters How many millimeters is 1/4 meters?
20. Cents Julka has 3 cents more than Hugo. Together they have 27 cents. How many cents has Julka and how many Hugo?

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