72.95-6 = 66.95
66.95=5.15x
66.95 / 5.15=
A. X=13.00
<span>3x=4y=7z
so
GCF:
3 * 4 * 7 = 84
3x = 84
x = 28
4y = 84
y = 21
7z = 84
z = 12
</span><span>least possible value for
</span><span>x + y + z = 28 + 21 + 12 = 61
</span>
answer
(d) 61
There are 12 possible variations for Robert to choose from, 4 for each shirt.