2.49/15 = 0.166
3.32/20 = 0.166
they both cost the same per oz
Write it out as a set of equation:
Let x be number of 8 cent stamps, y be 10 cent stamps, and z be 2 cent stamps.
x=y
z=x+y
8x+10y+2z=440
Lets first solve for x:
from x=y and z=2x(from first equation) the last equation is
8x+10x+4x=440
22x=440
x=20
know that x=20, you also know that y=20 as well, since z=x+y, z=40.
So 20 8-cent stamps, 20 10-cent stamps, and 40 2-cent stamps.
The best and most correct answer among the choices provided by your question is the second choice or letter B.
<span>Segment TX is the segment that would best represent the altitude of the parallelogram.</span>
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-2 * 2n -2 equals -4n + 4 > 18n -3n
