The width of the rectangular room is 5 meters and the length is 4 meters. How much varnish is required
| May 23, 2021 | education
The width of the rectangular room is 5 meters and the length is 4 meters. How much varnish is required to cover the floor in this room if 250 grams of varnish are consumed per square meter.
The task
Room width a – 5 meters
Room length b – 4 meters
For 1 m ^ 2 – 250 grams of varnish
On the S floor -? varnish
Decision
1) Find the floor area
S = (a + b) 2 = (5 + 4) 2 = 18 square meters
2) Calculate the required amount of varnish to cover the floor
18 250 = 4500 grams or 4 kilograms 500 grams
Answer: 4 kilograms 500 grams
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