Bobby is dividing 50 feet below sea level at the beach. his sister is at the swimming pool deck, which is 15 feet above sea level what is the difference , in feet between the pool deck and bobby’s position?

35

Step-by-step explanation:

Bobby is at negative 50 and his sister is above 15 feet (positive) so it is 35

667 students are in math class

Step-by-step explanation:

Step 1: Find the total number of parts Looking at the ratio 4:9, we have: 4 + 5 = 9 So, we have 9 parts in total.

First divide by 9

1500/9=166.666667

now multiply by 4

666.666667

now round up

667