Respuesta :
The percentage of increase in Roberto score is 14.87%, if Roberto made a 74 on last weeks math quiz. this week he made an 85 on the quiz.
Step-by-step explanation:
The given is,
Roberto score on math quiz at last week is 74
This week he made an 85 on the quiz
Step:1
Formula to calculate the percentage of increase the score,
[tex]Percentage of increase = \frac{Final score-Starting score}{Starting score}[/tex] × 100...........(1)
From the given,
Final score = 85
Starting score = 74
Equation (1) becomes,
[tex]Percentage of increase =( \frac{85-74}{74})[/tex] × 100
= [tex](\frac{11}{74})[/tex] × 100
= 0.1486486 × 100
= 14.86486 %
≅ 14.87 %
Percentage of increase = 14.87 %
Result:
The percentage of increase in Roberto score is 14.87%, if Roberto made a 74 on last weeks math quiz. this week he made an 85 on the quiz.
