i spent $4.80 groceries and $1.20 on vegetable. What is the ratio of cost of groceries to cost of vegetable
The ratio of the cost of groceries to the cost of vegetables can be calculated by dividing the cost of groceries by the cost of vegetables.
So, the ratio is $\frac{4.80}{1.20} = \frac{48}{12} = \boxed{4}$.