Baskets of tomatoes cost $3 each and bags of onions cost $4 each. A customer purchases x baskets of tomatoes and ybags of onions.What does the expression 3x+4yrepresent?

the total number of baskets of tomatoes and bags of onions the customer purchased
the total number of baskets of tomatoes and bags of onions the customer purchased
the cost per basket for the tomatoes plus the cost per bag for the onions
the cost per basket for the tomatoes plus the cost per bag for the onionsthe
total cost, in dollars, for the customer’s purchasethe total cost, in dollars, for the customer’s purchasethe number of baskets of tomatoes and the number of bags of onions that can be purchased for $7

The expression 3x + 4y represents the total cost, in dollars, for the customer's purchase. To determine this, you multiply the number of baskets of tomatoes (x) by the cost per basket ($3), and multiply the number of bags of onions (y) by the cost per bag ($4). Then, you sum these two products together to get the total cost of the purchase. Therefore, the correct answer is:

the total cost, in dollars, for the customer’s purchase