Answer:
Your answer: 87
Step-by-step explanation:
Since you are given what both variables are in the equation, this problem requires you to plug it in.
12(6)+3(5)= ?
You can either do this in a calculator, or do this one step at a time.
12(6)=72
3(5)=15
72+15=87
If the store decreases its prices by 20%, then ur actually paying 80%
0.80(120) <=== ur expression
lets check..
0.80(120) = 96
120 - 0.2(120) = 120 - 24 = 96 (yep, it matches)
Answer:
Option 3 is correct that is 
Step-by-step explanation:
We have general formula for sum of cube which is
Here, we have a=s and b=6
on substituting the values in the formula we will get
After simplification we will get
After rearranging the terms we will get
which exactly matches option 3 in the given options.
Therefore, option 3 is correct that is
