Discover the answers you need at Westonci.ca, a dynamic Q&A platform where knowledge is shared freely by a community of experts. Connect with a community of experts ready to help you find solutions to your questions quickly and accurately. Connect with a community of professionals ready to help you find accurate solutions to your questions quickly and efficiently.

Gina had 30 minutes to do a three-problem quiz. She spent 9 9 10 minutes on question A and 5 3 5 minutes on question B. How much time did she have left for question C?

Sagot :

According to the information given, it is found that she has 15 minutes left for question C.

How is her total time divided?

  • The total time is of 30 minutes.
  • She spends 10 minutes on question A.
  • She spends 5 minutes on question B.
  • She spends x minutes on question C.

The sum of the time for each question is the total time, which can be at most 30, hence:

[tex]10 + 5 + x \leq 30[/tex]

[tex]15 + x \leq 30[/tex]

[tex]x \leq 15[/tex]

She has 15 minutes left for question C.

A similar problem, in which the information given is used to build and solve an expression, is given at https://brainly.com/question/24812278

From the information in the question, 15 minutes was spent on question C.

Equation

An equation is used in mathematics to describe problems. Typically, a problem is solved when sentences can be translated into equations.

From the question, we can see that;

  • 10 minutes was spent on question A
  • 5 minutes was spent on question C

The time spent on question C is obtained from;

10 + 5 + x = 30

x = 30 - (10 + 5)

x = 15

Hence, 15 minutes was spent on question C.

Learn more about equation: https://brainly.com/question/2263981

We hope our answers were useful. Return anytime for more information and answers to any other questions you have. Thanks for using our platform. We aim to provide accurate and up-to-date answers to all your queries. Come back soon. Westonci.ca is committed to providing accurate answers. Come back soon for more trustworthy information.