Claire has a total of 90 pets consisting of gerbils and hamsters only. One-quarter of the gerbils are male, and one-third of the hamsters are male. If there are 25 males altogether, how many gerbils does Claire have?	Pick one:	A) 39	B) 50	C) 66	D) 57	E) 60
G+H =90 ...1 ; G/4 +H/3 =25 ....2 OR 3G +4H =25*12= 
<gadget id="calculator">25*12</gadget>
<output>300</output>
300   G=90-H OR 3(90-H) +4H =300 H = 300-270= 
<gadget id="calculator">300-270</gadget>
<output>30</output>
30 THEN G= 96-30= 
<gadget id="calculator">96-30</gadget>
<output>66</output>
66   66
<result>C</result>
Claire has a total of 90 pets consisting of gerbils and hamsters only. One-quarter of the gerbils are male, and one-third of the hamsters are male. If there are 25 males altogether, how many gerbils does Claire have?