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Answers by Dr. B.

Is the wording complete?   On the one hand, she could make 6 large ones (11 yds each) and 3 small ones (half as many small as large, as her 'plans' are, at 4 yds each for the small ones) and 5 medium ones (at 7 yds each) and will use up exactly her 113 yards:   6*11 yards...

If we think of 1/3 of a pizza as a (large) "slice" then the two pizzas, among them, have six such slices (three for each pizza). It's given that Each of 4 brothers gets 1/3 of a pizza, so after these 4 brothers have taken theirs, there are 2 (out of the original 6) such "slices"...

Shelby, Are you trying to compare the two fractions? If the following isn't what you need, could you please clarify what the requirement is and what exactly you're allowed and not allowed (other than not allowed common deminators). But notice this:   19/20 = 1 - 1/20 and   27/28...

[Edit of original] Sorry, I have seen several questions with typos in one night, so wondered whether the first = was supposed to be a multiplication in a number theory question I thought you perhaps intended.   To eliminate ambiguity, it would have helped to add 5 words, "where...

x+4(5/7)-8=6   now add 8 to both sides to get   x+4(5/7)=14   Re-write as x+ (20/7) = 14 but 14 = (98/7) so:   x+(20/7) = (98/7)   Hence: x = 98/7 - 20/7 = 78/7  Which is the same as x= 11 and 1/7. Let...

Hi, I think you mean "the square-root of pi"   Pi is the irrational number 3.14159265.... (pi is defined to be the number you get if you divide the circumference of a circle by its diameter, the preceding is an approximate decimal representation)   Now you can...

Hi Ervin, Since the question doesn't specify much more than "how to identify" I might not cover exactly what your daughter needs; if the following isn't enough feel free to follow up with a more detailed question. In short however:   A point is basically the geometric...