Question

There are two lighted candles whose rates of burning (in cm/min) are in the ratio of 2 : 1. At 6:00 p.m., their lengths are in the ratio of 3 : 2 and at 9:00 p.m., their lengths are in the ratio of 2 : 3. At what time were their lengths equal? a) 7:30pm. B)8:24pm. c)8:00pm. D)8:36pm

Answer 1

Answer:

a) 7:30 pm.

Step-by-step explanation:

6:00+1:00=7:00 and 9:00-1:00=8:00

7:00+0:30=7:30 and 8:30-0:30=7:30

Answer 2

solve using the method as shown in the picture