Question

Vera's clock runs fast so that the clock's hands move ahead an extra 10 minutes every hour. If she sets the clock correctly at 12:00 noon on one day, what time will the clock show the next day at 12:00 noon?(1 day =24 hours)

Do I set up an equation for this, or use logic, or use my calculator? Please explain.
Thank you~

Answer 1

a little of both comes in handy. Before deciding on a plan, do a little thinking.

The clock gains 10 minutes every hour, so after h hours, it has gained 10h minutes.

so, after 24 hours, the clock will be 240 minutes ahead.

so, what time is 12:00 + 240 minutes?