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Mrs.Jacobsen wants to order toy instruments. whistles: 25 items is $21.25, 50 items $36.00,and 80 items $60.00. what is the difference between the highest unit price for whistles and the lowest unit price for whistles?

Verified Answer :

Answer: Our required answer is $0.13.

Step-by-step explanation:

Since we have given that

25 items purchased @ $21.25

So its unit price is given by

\(\frac{21.25}{25}=0.85\)

50 items purchased @ 36.00

So, its unit price is given by

\(\frac{36}{50}=0.72\)

80 items purchased @ 60.00

So, its unit price is given by

\(\frac{60}{80}=0.75\)

So, Highest unit price for the whistles will be $0.85

Lowest unit price for the whistles will be $ 0.72

Difference between the highest unit price and lowest unit price for whistles will be

\(0.85-0.72=\$0.13\)

Hence, our required answer is $0.13.

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