Answer:
E(penny) = 1.75 and E(nickel) = 1.5, so she should play with the pennies
Step-by-step explanation:
I think that's the correct answer, since you didn't give us all the info needed.
This is a hard one but it’s either B. or D.
Answer:
Step-by-step explanation:
R=x/7 let's say R is what Ryan earned, and so he earns x dollars every seven days
L=2(R)
L=2(x/7)Let's say L is what Lee earned, she earned twice as much as Ryan so 2(x/7)
Total=2(x/7)+x/7
Total=3(x/7) the total earnings is the sum of x/7 and 2x/7 is 3x/7
Answer:
$12,137.39
Step-by-step explanation:
Use the Compound Amount formula:
A = P (1 + r/n)^(nt), where r is the interest rate as a decimal fraction, n is the number of times the interest is compounded each year, and t is the number of years.
Here, A = $9000(1 + 0.075/12)^(12*4), or
= $9000(1.3486) = $12,137.39
