Accepted Answer
Using mathematical operations of addition and subtraction, Rodrigo needs to buy additional 2⁷/₂₄ pounds of vegetables.What are mathematical operations?The basic mathematical operations are addition, subtraction, division, and multiplication.These mathematical operations can be used to determine the results of mathematical expressions.The total pounds of vegetables required for a stew = 3 poundsAvailable pounds of vegetables:Onions = 3/8 poundsTomatoes = 1/3 poundsThe total available pounds = 17/24 poundsAdditional pounds required = 3 - 17/24 pounds= 2⁷/₂₄ poundsThus, based on addition and subtraction, Rodrigo needs additional 2⁷/₂₄ pounds of vegetables.Learn more about mathematical operations at https://brainly.com/question/20628271#SPJ1