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Brad had 20 minutes to do a three-problem quiz. He spent 11 3 4 minutes on question A and 3 1 2 minutes on question B. How much time did he have left for question C?

Respuesta :

Answer:

14[tex]\frac{3}{4}[/tex]

Step-by-step explanation:

time left for question C  = Total time - ( sum of time spent on questions A and B)

sum of time spent on questions A and B = 11 3/4 + 3 1/2 =

Convert the mixed fractions to decimals to solve more easily

11.75 + 3.5 = 14.25 = 15 1/4

Time left for question C = 20 - 151/4 = 14 3/4

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