Answer:

Explanation:
Given: Total weight =

Ratio of weight of watermelon to pineapple = 9:2
Weight of Pineapple=

Weight of Watermelon and cantaloupe =

∴ Weight of Watermelon and cantaloupe =

Let the weight of cantaloupe = x
∴ Weight of watermelon =

Now, solving to find the weight of cantaloupe
⇒

⇒

Cross multiply both side to get;
⇒

∴

Weight of Cantaloupe is
.