# In a class of 20 school desks. Cover length ports of 110 cm width of 50 cm how many it is necessary paints to paint covers of school desks if on 1 sq.m 100 g of paint are required? Short record

Piece school desks-20

cm Length-110

cm Width-50

1 of sq. m-100 gr

of Sk-co of paint -

1) 110 cm x 50 cm of =5500 sq. cm - (1 school desk)

2) 5500 sq. cm x 20 =110000 km of cm

of 1 sq.m =10000 apartment of cm

3) 110000 apartment of cm: 10000 apartment of cm = 11 sq.m

4) 11 sq.m x 100 g = 1100

Answer's: On school desks it is necessary for 1 kg 100 g of paint

### Other questions in the section - maths

On base brought 12000 c of apples and 7600 2 pears when a part

2020-10-18 04:24:39

In economy in one day obtained 1968 l of milk. From them 464 l

2020-10-18 04:24:39

In studio there were 288 m of fabric. A part of this fabric was

2020-10-18 04:24:39

Perform all tasks which on a photo. (division in a column (it is obligatory

2020-10-18 04:24:39

One of the parties of a triangle of 83.6 cm, the second is 14.8

2020-10-18 04:24:39