Cost of 7 gallons=$24.50
Cost of 1 gallon=24.50/7=3.5
Cost of 15 gallons=15*3.5=52.5
Cost of 15 gallons will be $52.5
The answer is in the image
The total nom of code that can be used is equal to 5+3 = 8
Salesperson will make 6% of 1800
=(6/100)*1800
=108
Salesperson will make $108 in $1800 sales
We can put the numbers in ascending order-
36, 38, 39, 39, 40, 47, 48, 51
Range=max-min
=51-36
=15
It will provide an instant answer!