Answered

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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

pstnonsonjoku

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

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