Answer:
4 seconds
Step-by-step explanation:
I completed a table, swimmer 1 started with 1.7 while swimmer 2 started with 0. After adding 1.9 to swimmer 1 each time and 2.3 for swimmer 2, swimmer 2 caught up at 4 seconds
C
30 inches
1 ft= 12 inches
12×2= 24
1/2 of 12 is 6
24+6=30