Answer:
9.21*10^4
Step-by-step explanation:
Let

represent the number of hard drives produced.
The first thing we need to do is convert 10 cents to dollars:

. Now, we know that the the cost of materials is 30 dollars and the cost of labor is 0.1 dollars, so the total coast to produce

hard drives will be:

.
Now the only thing left is add t<span>he cost of equipment to complete our function:
</span>

We can conclude that the equation that could represent the cost function for making x hard drives is <span>
f(x)=30.1x+10,000</span>
They are equivalent because when you distribute the -0.5 into 3x+5 you get the expression -1.5x+2.5
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You will use the formula to calculate simple interest for each period of time and then subtract the two amounts to find how much Ward will save.
I=prt
I = 20000 x 0.025 x 3
I = $1500 over 3 years
I = 20000 x 0.025 x 5
I = $2500 over 5 years
$2500-$1500 = $1000 in savings