Nathaniel drives 45 miles in 30 minutes. If he drove three hours in total at the same rate, how far did he go?

Can somebody me out with this question

43lbs of tomatos cost $387. how much would 41lbs cost

Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.