Question

Can someone please explain to me how to do this. I don't understand it. I do 9th grade math btw. http://gyazo.com/e1958d38c4819e4cf9d3d3d613dd2849

Answer 1

Hey plzzhelp, this is just a unit conversion problem

Answer 2

There are 1,000 cm in 1 m, so just convert either the area or the width to the others' units and just use length x width = area :)

Answer 3

So you put 1,000 cm over 1 m like a fraction and then solve?

Answer 4

400cm * 1m/1000cm = 0.4m (thats the width