Sergio is making punch for a school party. the recipe he is using calls for 3 cups of fruit juice to make 7 cups of punch. he made a ratio table to him determine how much fruit juice he will need. cups of fruit juice 3 15 90 cups of punch 7 35 210 sergio thinks he will need 90 cups of fruit juice to make 210 cups of punch. explain his method. how many cups of fruit juice would sergio need to make 154 cups of punch? explain your calculations.