Question

James bought 5 apples and 10 oranges for $4.donald bought 3 apples and 9 oranges for $3.the shop keeper strictly told that there will not be any discounts.what is the cost of an apple and an orange?

Answer 1

Let cost of 1 apple i=x dollar
and cost of 1 orange =y dollar
according to question we get following equation
james,  5x +10y=4.......(1)
donald, 3x+9y=3........(2)
solving 1,2 eq. we get
x=2/5 dollars and y=1/5 dollars