The function for the amount saved if they purchase a used drone rather than a new drone from Jim's store is f(x) = 0.45x
He sells used drones at 70% of the price (x).
So, the selling price of a used drone is:

Express percentage as decimal


Also, he sells new drones at 15% more of the price (x).
So, the selling price of a new drone is:

Express percentage as decimal



The amount saved is the difference between the prices of the drones.
So, we have:

This gives

Subtract

Express as a function

Hence, the function for the amount saved is f(x) = 0.45x
Read more about proportions at:
brainly.com/question/13114933
Answer:68.27%
Step-by-step explanation:
TI84
2nd distr
normalcdf(89,97,93,4)
the answer to the first question would be 
the answer to the second question will be 
Answer:
55
Step-by-step explanation:
There are 11 tens in 110, so 11 times 5 is 55.
Answer:
C
Step-by-step explanation:
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