158113415811341581134158113415811341581134158113415811341581134158113415811341581134158113415811341581134 nahh jk the answer is 1581134
The opposite of 20 is -20 and the difference is 40. If we put 40/200 we get 0.2, or 20%.
Answer:
c
Step-by-step explanation:
trust
One can take the price of the item before the discount is applied and subtract that from the percentage off and get the cost of the item.
I find this is the most effective way.
another method could be if one turned the percentage into a decimal it could be subtracted from the cost of the item.
1) Marnie pays $0.06 per kilowatt-hour of electricity.
2)Marnie budgeted $72 for her electricity.
3)You are supposed to find the greatest number of kilowatt-hours Marnie can use and stay within her budget of $72.