Question 1087036
pieces are x, y, and z
y = x+5
z = 4y+12 = 4(x+5)+12 = 4x+20+12 = 4x+32
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x+y+z = 121
x+x+5+4x+32 = 121
6x+37 = 121
6x = 84
x = 14
y = x+5 = 14+5 = 19
z = 4x+32 = 4(14)+32 = 56+32 = 88
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Check:
14+19+88 = 121