1) 30% - 212.52/(427.25+212.52+75)
2) 893.59
Total amount spent on Flooring (427.25+212.52+75) = 714.87
Amount spent on furniture = 714.87 * 1.25= 893.59
3) 13%
(893.59-558.49-893.59/4)/893.59
I think it is -5,-4,-1/4, 1.75, 6.2, 9, 18 1/2, 21
Answer:

Step-by-step explanation:
The sum is the result obtained from adding two or more values together.
The sum of <em>s</em> and <em>t</em> is the result obtained from adding <em>s</em> and <em>t</em> together.
<em>s </em>+<em> t</em>
Answer: 70x^2 -50x
Step-by-step explanation:
^ means exponent
Answer:
16 problems.
Step-by-step explanation:
100% divided by 20 questions.
100/20 is equal to 5, therefore each question is worth 5 points.
Grade of 80% divided by points per question.
80/5 is 16 so the student answered 16 questions correctly.