Answer:
350 cups in a store
140 of the cups were pink
some were yellow
2/7 of the cups were green
number of green cups = 2/7 x 350 = 2 x 50 = 100 cups
Number of yellow cups
= Total number of cups - (number of pink cups + number of green cups)
= 350 - (140 + 100)
= 350 - 240
= 110 cups
