Answer: 9x
Step-by-step explanation:
When adding X you simply add the numbers in front of X.
3+3+3=9 so you have 9x
think of it as this. If you have 3 apples and add 3apples and then 3 more appls. How many apples are there
3 apples+ 3 apples+ 3 apples= 9 apples
Inverse operation means the opposite and the opposite of subtract is add so your answer would be B. Add 6
To find out how much Marie will save you have to multiply the 20% with the original praise which is $40.00. So we’ll change the 20% to 0.20 to multiply it with 40.
0.20 x 40 = 8
So Marie will save $8.00 using the coupon
2.8x10^-5 ; 2.8x10^-3 ; 2.8 ; 2.8x10^2 ; 2.8x10^4
