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?

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

50 items purchased @ 36.00

So, its unit price is given by

80 items purchased @ 60.00

So, its unit price is given by

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

Hence, our required answer is $0.13.

you never say the total so we cant find the percentage used for petrol

step-by-step explanation:

to determine the unit cost your would divide the total cost by the number sold.

7 bagels for $4.41       $4.41/7 = $.63 each at fresh side

5 bagels for $3.60         $3.60/5 = $.72 each at value mart