The area of a rectangle is 1344 ft^2. If the ratio of the length to width is 7:3, what is the perimeter?

Jack buys 2 bags of chips and a soda susan buys a fruit, a bag of chips, a soda, and 2 granola bars daniel buys 4 fruits, 2 bags of chips, and a soda lastly, you also buy yourself 2 fruits, a bag of chips and a granola bar. the total spent during your trip was $32 write an equation to describe the situation.