You might have to ask your teacher or who ever is in charge of the class because you need to have the number of black markers because in this question it could be 5 sets of 10 markers or 5 sets of 13 markers. so you should ask your teacher.
It depends on what did you mean by saying perfect square. If I've understood it correctly, I can help you with a part of your problem. The squares of mod <span>9</span><span> are </span><span><span>1</span><span>,4,7</span></span><span> which are came from </span><span><span>1,2,</span><span>4.</span></span><span> </span>Addition of the given numbers are 2,3,5,6, 8, which are exactly the part of your problem. This number, which is not shown as squares Mod 9, and thus doesn't appear as a sum of digits of a perfect square. I hope you will find it helpful.
Answer:
Blue costs 2.875 or 2.88 if rounded, Red costs 3.875 or 3.88 if rounded
Step-by-step explanation:
Answer:
I'm not really sure how to write this but its
14(27- x(to the fourth power)) over 5(63+x)