Answer: B and E are irrational numbers
so if you do 9 divided by 60 and it will give you 0.15 and that is your answer
To find the original price, you could use a variable to represent the original price in this equation;
Let p represent the original price
.70 × p=11.20
to solve this, we'd isolate the variable (p)
p=11.20 ÷.70
p=16
The original price was $16
If it's mutiple choice can I see the options :) would make this easier
