80 x .72 = $57.60
Easy peasy
there would be 29 pencils left because 3 * 12 is 36 minus 7 is 29
Hi there!
Question 1: Answer: -
20 x 4 - 80 = 80 - 80 = 0
Question 2: Answer: +
100 x 100 + 1 = 10,000 + 1 = 10,001
Answer:
or 
Step-by-step explanation:
The given equation is

Let us treat this as a quadratic equation in
.
where 
The solution is given by the quadratic formula;

We substitute these values into the formula to obtain;





or 
or 
or 
or 
Answer:
15% & 3/20
Step-by-step explanation:
convert decimals to % by multiplying by 100
.15 * 100 = 15%
15/100
simplify
3/20