Question

Martha finds that her watch gains 2 minutes in 6 hours. how much will it gain in 19.5 hours? a 0.615 minutes b 1.625 minutes c 6.5 minutes d 58.5 minutes

Answer 1

6 hours gain 2 mins
19.5 hours gain x mins


`6x = 19.5 * 2 \\ 6x = 39 \\ x = 6.5`

Answer is C. 6.5 minutes

Hope this helps you. - M