SOLUTION: Find two numbers whose difference is 8, and the sum of twice the first and 3 times the second is 32.
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Question 844188
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Find two numbers whose difference is 8, and the sum of twice the first and 3 times the second is 32.
Answer by
checkley79(3341)
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X-Y=8 [MULTIPLY BY 3 & ADD]
2X+3Y=32
3X-3Y=24 ADD
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5X=56
X=56/5
X=11.2
11.2-Y=8
-Y=8-11.2
-Y=-3.2
Y=3.2
PROOF:
2*11.2+3*3.2=32
22.4+9.6=32
32=32