Answer:
The potato is 224 feet in the air after 2.75 second on the way up and after 5 seconds on the way back down.
Step-by-step explanation:
Given : A potato launched by a particular potato gun has a height described by
.
To find : When is the potato 224 feet in the air?
Solution :
When the potato is 224 feet in the air i.e. 
Substitute in the equation
,



Applying quadratic formula, 
Here, a=4, b=-31 and c=55





The potato is 224 feet in the air after 2.75 second on the way up and after 5 seconds on the way back down.
Isaac:12 x 13=156Jake:52 x 12=624Rosie:78 x 92=7,176
Therefore the order is Isaac, Jack, Rosie(Isaac spent not spend)
The awnser is 96 because you would chose the one bigger or you wouldn't chose the one smaller so choose a medium number 96
The answer will be 1100283738292