Answer: 2,680 bulbs were used in all.
I added all of them up so 1240 + 1350 + 90 which equals 2,680.
If you have any questions let me know, have a great day!
1 nickel = 5 cents
1 dime = 10 cents
13 nickels = 13 *5 = 65 cents
6 dimes = 6*10 = 60 cents.
Total = 65 + 60 = 125 cents.
= 125 cents or $1.25
All of the answer choices that you are given are incorrect. I have calculated it in all different ways and get the same thing and it is none of those. The correct answer would be -75 though.
The answer is A) shifts right by 9 units