The width of the rectangular room is 5m and the length is 4m. How much varnish is required to cover

The width of the rectangular room is 5m and the length is 4m. How much varnish is required to cover the floor in this room if 250 g of varnish is consumed per 1 m2?

Brief condition:

room width – 5 m,

room length – 4 m,

for 1 m ^ 2 – 250 g of varnish,

on ? m ^ 2 -? g varnish.

1. Find the area of the room:

5 * 4 = 20 m ^ 2.

2. Let’s calculate the amount of required varnish by making the proportion:

1 m ^ 2 – 250 g of varnish,

20 m ^ 2 -? g varnish.

250 * 20: 1 = 5000 g or 5 kg.

Answer: To cover the floor you need 5 kg of varnish.