3L + 5O = 2.40
4L + 7O = 3.31
Multiply fist equation by 4 and second by 3, then subtract one from the other. Insert the orange price into one of the equations to find the lemon price.
Wilma went to the local market and bought 3 lemons and 5 oranges for $2.40.The same day and for the same price ,Fran bought 4 lemons and 7 oranges for $3.31.What was the prices per lemon and the price per orange?
1 answer