There is 720 dif. ways to arrange it.
24 cans/ 96 people = x cans/28 people
using cross products
24 * 28 = 96 *x
divide by 96 on each side
24*28/96 = x
672/96=x
7=x
You will need 7 cans
or
96/24= 4 people per can
28 people /4 people per can = 7 cans
I believe the answer is A
a) Write an expression to describe the journey of the yellow submarine.
-> ((0 - 40) + 30) - 25
[] Sea level = 0
[] The descend 40 meters = -40
[] After examining the sea, they rose 30 meters = + 30
[] They dove 25 meters to look at an octopus = -25
b) At what depth did they stop to look at the octopus?
-> -35 meters
[] The started at 0 (0), descended 40 (-40), rose 30 (-10), and then sove 25 (-35) to see the octopus
[] Another way to think of this is to simplify our previous expression completely
Have a nice day!
I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)
- Heather
