Answer:
40%
Step-by-step explanation:
The ratio is 20:50, we can expand to 40:100, so 40%
Answer:
$180.48
Step-by-step explanation:
225.60 * .8 = 180.48
Answer:
Not even one day
Step-by-step explanation:
I mean if it uses 4 bags a day . . .
2/5's wont last long at all
Answer:
1100
Step-by-step explanation:
Standard form of an exponential function is y=ab^x
when x=0, y=3, 3=ab^0, so you can figure out that a=3
when x=-1, y=6, 6=3b^(-1), b^(-1)=2, b=1/2
so the equation is y=3(1/2)^x