One minute later at 8:01pm. One lighthouse will flash 3 times (at 20, 40 and 60 seconds)...the other will flash twice (at 30 and 60 seconds). So they will both flash 60 seconds later, at 8:01
Answer:
Luis:

Marina:

Answer: Marina got the better percent score than Luis
Marina:
Answer:
$42 - 19 = 23 - 15 = $8
Step-by-step explanation:
Answer:
50% of what number is 11.72 = 23.44
Step-by-step explanation:
50% is half, so simply doube it.
Answer:
y=4x
Step-by-step explanation:
it goes through 0,0 on my graph