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2014-2015 SDML (Middle School)
11
11
Part of
2014-2015 SDML (Middle School)
Problems
(1)
Rational number properties
Source: 2014-2015 SDML Middle School 1a Problem 11
8/28/2016
Phillip and Paula both pick a rational number, and they notice that Phillip's number is greater than Paula's number by
12
12
12
. They each square their numbers to get a new number, and see that the sum of these new numbers is half of
169
169
169
. Finally, they each square their new numbers and note that Phillip's latest number is now greater than Paula's by
5070
5070
5070
. What was the sum of their original numbers?
(A)
−
4
(B)
−
3
(C)
1
(D)
2
(E)
5
\text{(A) }-4\qquad\text{(B) }-3\qquad\text{(C) }1\qquad\text{(D) }2\qquad\text{(E) }5
(A)
−
4
(B)
−
3
(C)
1
(D)
2
(E)
5