Question

Five lemons cost 1.80 . At this rate what is the cost of 9 lemon

Answer 1

3.24
If 5 lemons cost 1.80, then you can divide that price by 5 to see how much each lemon would cost
1.89/5=0.36
If each lemon then costs 0.36, you can multiply that by 9
9*0.36=3.24