Question 1179682

A house wife bought 8 tubers of yam and 29 measure of rice for 1200 naira another woman who paid the same unit price bought 4 tubers of yam and 30 measures for 1500 naira find the cost of 1 tubers  and 1 measure of rice
<pre>It would be extremely fulfilling to find out how one of these persons got this ====> selecting simple, neat values {{{y=360}}} and {{{r=58}}}, 
when it's clear as DAYLIGHT that at least one of the values is NEGATIVE.
It would be nice to know where these people are getting these RIDICULOUSLY INCORRECT answers from.