Question

Bob bought some fruit candies weighing 5 grams each and some milk candies weighing 4 grams each.If he has 100 candies altogether and they weigh 480 grams in total, how many each kind does he have?

Answer 1

let no. of fruit candies is =x

Answer 2

so no. of milk candies r=100-x

Answer 3

weigh of fruit candies r=5x

Answer 4

weigh of milk candies=(100-x)4

Answer 5

so total weigh=5x+(100-x)4

Answer 6

so
5x+(100-x)4=480

Answer 7

now solve it for x