i REALLY need help on these math problems!?
2%, 4%, 20%, 50%, 200%
-A store owner buys watches for x dollars per dozen. She sells them for y dollars each. If other costs are disregarded, what is the store owner’s total profit on sales of z watches?
xyz/12, (x/12)-yz, 12xy-z, z((x/y)-12), yz-(xz/12)
-If m/n= 5/6, then what is 3m + 2n?
0, 2, 7, 10, cannot be determined.
-If x inches of rain falls in 1 second, how many inches fall in m minutes?
xm+60, xm, xm/60, 60m/x, 60mx
– 1-(1/x)/ 1-(1/x^2) = ?
I really don’t know how to do it, thanks for all your help!
Favorite Answer
-(x/12)-yz
-27
–
-1/1/x
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