Answer:
$61.92
Step-by-step explanation:
Lets start by applying the sale(discount) on the game. 20% off is synonymous with having 80% of something(the remaining part), so we can multiply 72*.8 in order to get $57.6
Now lets apply sales tax. A simple way to calculate total price when a tax or increase is present is by adding 100% to the % and multiplying. In this case, we would have
Ắner 3x+2y
Step-by-step explanation:
Answer:
4x+x=40
5x+40
x=8
8, 32
Step-by-step explanation:
Answer:
720
Step-by-step explanation:
you see, 3 x 2 x 1 = 6 possible ways of arranging the three people . Therefore in that set of 720 possibilities, each unique combination of three people is represented 6 times. So we just divide by 6.