Task 11. Ceiling painting.
Rectangular shape of the ceiling, depicted in Figure 1, on the edges is painted by
green, and in the middle by white emulsion.
Question 1. Find the surface width at the edges of.
Answer: ____________.
Question 2. Find the surface area painted by white emulsion.
Answer: ____________.
Question 3. Find the surface area of the shaded by green emulsion.
Figure 1.
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Task 12. Yields.
Land is of rectangular shape with a width of 0.45 km and a length of 1.4 times
larger, planted rice.
Question 1. What is the width of the land?
Answer_________.
Question 2. What is the area of land?
Answer_________.
Question 3. How many quintals of rice collected from this area when from one
hectare was harvested x quintals?
Answer_________.
Task 13. Farm.
In the farm 300 sheep. With each sheep was shear off 5.1 kg of wool. After wool
washed, it has become easier to 1.2 kg. From 1 kg of pure wool can be woven 0.7 m
of fabric.
Question 1: How many meters of fabric can be woven from the wool of sheep
farming?
Question 2: On average, need 205 meters of wool fabric for sewing dresses for
an adult and 0.9 meters of wool fabric for sewing dresses for a teenage girl. The cost
for an adult dresses 10500 tenge, and 6700 tenge is for a teenager.
Calculate economic benefits in tailoring each product, if the factory purchase
from the farmer not scoured wool at a price of 150 tenge per 1 kg, processing costs
are 45% of the purchase price.
Answer:__________________________________________________________
Task 14. In a toy shop.
In the toy shop presented the following prices for the different types of table
games. Table 5.
Toys types
А
В
С
D
E
F
G
Cost
1130
1500
030
920
850
4100
3250
Question 1: Find a numbers of the toys types the value of which does not exceed
1500 tenge.
Answer:__________________________________________________________
Question 2: Father decided to but two little games, spending no more than 2500
tenge. Find a number of options for such a purchase.
Answer:__________________________________________________________
Question 3. There are 20% discounts in the shop for every purchase in the case
if buyer is buying three toys in a one time. Write down every three toys father can
buy to his child.
Answer:__________________________________________________________
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