Question

A lifeguard fills a pool with water at a constant rate. After 1/2 hour, 1/3 of the pool is filled.

Answer 1

Answer:

D

Step-by-step explanation:

1/2 hour -> 1/3 pool

multiply this by 2

1 hour -> 2/3 pool

so D 2/3 pool

Answer 2

1/2 hour...................1/3

1 hour (1/2 x 2).......1/3x2

so = 2/3 of the pool is filled per hour