<span>7x420
= 7( 400 + 20)
=2800 + 140
=2940
</span>
Answer:
$471.65
Step-by-step explanation:
-The value of the laptop after each year is calculated by the formula:

where:
is the value at time t
is the initial value
is the rate of depreciation
is the time
#We substitute the values to solve for the value after 3 years(2010-2007=3):

Hence, the value of the laptop in 2010 is $471.65
Answer:
fraction form 3/4
decimal form 0.75
percentage form 75%
Step-by-step explanation:
Answer: 13)74
14)53
Step-by-step explanation: