You have 40/16
simplified by 8 and you have 5:2
so the answer is d. 5:2
Answer:

Option b is easier to simplify if used the associative property to change the group.
85(120+80)
Answer:
$1050
Step-by-step explanation:
<h2><u>formula for compound interest method:</u></h2>
A = P ( 1 + r/100)^n
A is actual amount
r is the rate of interest
P is the principle
n is the number of years
A = 800 (1 * 7/100)^4
= 1048.637
to 3sf = <u>$1050</u>