<PRE><B>Question 1072921</B>
l = p+2
0.37l+0.88p = 4.49
substitute for l:
0.37(p+2)+0.88p = 4.49
0.37p+0.74+0.88p = 4.49
add p on left and subtract 0.74 from both sides
1.25p = 3.75 divide both sides by 1.25
p = 3
l = 3+2 = 5
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Check
3 x 0.88 + 5 x 0.37 = 4.49 Correct
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Happy learning,
John
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