The table shows the annual increase in cost in t years for certain grocery items. based on the formula a=c(1+r)^t , which equation could you use to determine the cost in t years for a gallon of milk?
a) a=4.25t(1.1)
b) a=4.25(1.10)^t
c) a=4.25(0.10)^t
d) a=4.25(0.90)^t

ANSWER

B.

EXPLANATION

The cost in t years is given by:

where C=£4.25 and r=10% or r=0.10

We substitite the given values into the formula to obtain:

The equation to use to determine the cost in t years for a gallon of milk is:

The correct choice is B.

25.2

step-by-step explanation:

2+4x6-8/10= 25.2

c

c

c

c

c

c

c

cc

c

step-by-step explanation: