Question

Amy’s watch loses time at the rate of 3 minutes every 5 days. Fine the number of days before the watch loses one hour or time

Please note that this is directly proportional applications and the formula is output unit/input unit times input unit

Answer 1

• 100 days

Explanation:

• 3 min loss ⇔ 5 days
• 60 min loss ⇔ x days

Cross multiply and solve for x:

• 3x = 5*60
• 3x = 300
• x = 300/3
• x = 100 days