318.50 x .30 = 95.55 discount.
318.50 - 95.55 = 222.95 is the total bill
I can’t really see number 7 but for number 10 the answer is 13x - 4y=8
Answer:
Step-by-step explanation:
The number inside the square root symbol is the number you have to get when you multiply a certain number twice.
So :
What multiplied by itself is 121?
Backwards equation:
Do not do the backwards method all the times, it does not work for all numbers.