From tech troubles to travel tips, IDNLearn.com has answers to all your questions. Our community provides timely and precise responses to help you understand and solve any issue you face.

Melanie observes a marble travel along a horizontal path at a constant rate. The marble travels 1/30 of the length of the path in 2 1/4 seconds. At that rate, how many seconds does it take the object to travel the full length?

Sagot :

Answer: 67.5 seconds

Explanation:

The marble is traveling at a speed of 1/30 length units per 2.25 seconds.

Use direct proportion to find out the amount of time it would take to cover the whole length:

1/30            :          2.25 seconds

1                  :                  x

1/30 x = 2.25 seconds

x = 2.25 ÷ 1/30

x = 2.25 * 30/1

x = 67.5 seconds

67.5 seconds is 1 mins and 7¹/₂ seconds.

Thank you for contributing to our discussion. Don't forget to check back for new answers. Keep asking, answering, and sharing useful information. Thank you for visiting IDNLearn.com. We’re here to provide accurate and reliable answers, so visit us again soon.