multiply 40 by 30% to find the discount then subtract
40 * 0.30 = 12
40-12 = 28
they would cost $28
Step-by-step explanation:
here's the answer to your question
4 people x 45 minutes = 180 minutes total to paint 5 walls
180/5 = 36 minutes of man work per wall
36 * 4 walls = 144 total minutes
144/6 people = 24 minutes total
Answer
7/9 chance to pick a brown sock first and 1/4 chance to get a black sock after
Step-by-step explanation:
there are 9 total socks and 7 are brown so you will have a 7/9 chance to get a brown sock
then if you do get a brown the total number of socks will be 8 in the bag so then you have a 2/8 chance which can be simplified to 1/4
