Answer:
5 laps
Step-by-step explanation:
We can use ratios to solve
3 minutes 15 minutes
----------------- = ------------------------
1 lap x laps
Using cross products
3x = 15
Divide each side by 3
3x/3 = 15/3
x = 5
He can do 5 laps
Answer: the amount in the account would be $515.15
Step-by-step explanation:
Initial amount deposited into the account is $500 This means that the principal is
P = 500
It was compounded quarterly. This means that it was compounded four times in a year. So
n = 4
The rate at which the principal was compounded is 4%. So
r = 4/100 = 0.04
The money would be compounded for 9 months. So
t = 9 months = 9/12 = 0.75
The formula for compound interest is
A = P(1+r/n)^nt
A = total amount in the account at the end of t years. Therefore
A = 500 (1+0.04/4)^ 4 × 0.75
A = 500(1.01)^3= $515.15
Answer. 7 ½ servings .
_____________________________
Explanation:
______________
To solve:
_________________________________
(2½) ÷ (⅓) = <span> ? </span> servings ;
_________________________________
2½ = 5/2 ;
___________________________________
(5/2) ÷ (⅓) = (5/2) * (3/1) = (5*3) / (2*1) = 15/2 = 7.5; or, "7 ½ servings" .
__________________________________________________________
