3. In 2 days and 20 hours a watch gains 20 sec. Find, how much time the watch will take to gain 35 sec.

Question

3. In 2 days and 20 hours a watch gains 20 sec. Find, how much time the watch will take to gain 35 sec.​

Hailey · Answer

Answer:   2 days 20 hours = 2 × 24 + 20 = 48 + 20    = 68 hours    Now  20 sec. are gained in = 68 hours    ∴  1 sec. will be gained in = 68/20 hours    35 sec. will be gained in = 68/20 × 35    = 119 hours    = 119 ÷ 24 days    = 4 days 23 hours

Athena

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