In the opening hour of a new store, a bell rang every 2 min and lights flashed every 3 min. If the store opened at 10 o’clock, at what times did both events happen at the same time? Explain or sketch a diagram to show the strategy you used.

6 minutes past 10

Step-by-step explanation:

lowest common multiple of 2 and 3: 6 minutes

seems like d

step-by-step explanation:

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,