Hello,
The two lights flash at the same time every 18 min
at 8:00 h=480 min =480+0*36
at 8:36 h=516 min =480+1*36
...
54 is not divisible by 36
60+12=72 = 2*36 yes
60+24=84 not
120+24=4*36 yes
180+18=198 not
So 2 times are correct 9:12 and 10:24
Answer G
Answer:
A
Step-by-step explanation:
bro how come u dont answer for yourself? The point of school is for you to learn. . . but anyway the answer is A

- Error (e) = 50 - 42 = 8 feet
- assumed value (a) = 42 feet

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