Martha is at the grocery store and is worried the $20 she has for groceries is not going to be enough. So far in her basket she has a loaf of bread for $3.45, a carton of milk for $4.67some bananas for $2.55, and 3 bags of chocolate chips for $2.30 eachMartha will estimate the price of each item to the nearest dollar before finding the total amount of her basket. What is Martha's estimated total cost for groceries?