Luke wants to cover this wall with blue paint. 7 m
1.6 m
3.6m
wall
door
6.1m
He will buy blue paint in 25 litre tins
Each 1 litre of blue paint will cover 8 m? of the wall
How many tins of blue paint does Luke need to buy?

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels