A rational number is such that when you multiply it by 5/2 and add 2/3 to the product , you get -7/12.What is the number?
Let r be the number.
r*5/2 + 2/3 = -7/12
r*5/2 + 8/12 = -7/12
r*5/2 = -7/12 -8/12
r*5/2 = -15/12
r = -(15/12)*(2/5)
r = -3/6 = -1/2
okay okay!i think i had just messed it all up!i just used a silly shortcut which had put me in trouble!thank you Alan for clearing out my doubt!i think today you'll be earning a lot of points from me!
+11912 
