A grocer sells oranges for $0.95 each and grapefruits for $1.05 each. You purchased a mix of 20 oranges and grapefruits and paid $20.20. How many of each type of fruit did you buy? (If there is no solution, enter NO SOLUTION.)

Question

klimenkov · Answer

x - oranges
y - grapefruits
$0.95x+1.05y=20.20$
$x+y=20$
Solution is
x = 8
y = 12

anonymous · Answer

HOw did you come up with the x+y=20?  That is where I get hung up

klimenkov · Answer

The total number of x oranges and y grapefruits is 20. So, x+y=20.

anonymous · Answer

OMG I think I am retarded.  I kept inserting 20.20!
Thanks for your help, I appreciate it.

klimenkov · Answer

It's OK. Don't give up math and you will be lucky.

anonymous · Answer

I should have you handy all of the time!  My test is going to kill me! lol