Astudent has successfully passed 60 percent of the 20 quizzes he has taken so far. if the student takes 50 quizzes during the year and successfully passes 80 percent of the remaining quizzes, what is the percent of all the quizzes for the entire year that are passed successfully?

He has 30 left to take, and he passes 80%.

(20/50) × 60% + (30/50) × 80% = 24% + 48% = 72%

72%

Total successfully quizzes = 12 + 24 = 36

Average = ( 36 / 50 ) * 100 % = 0.72 * 100 % = 72 %

Step-by-step explanation:

A student has passed 60 percent of the 20 quizzes he has written so far successfully mean:

successfully quizzes = 60 % of 20 quizzes = ( 60 / 100 ) * 20 = 60 * 20 / 100 = 1200 / 100 = 12

The remaining quizzes = 50 - 20 = 30 quizzes

80 percent of the remaining quizzes successfully mean:

The remaining successfully quizzes = 80 % of 30 = ( 80 / 100 ) * 30 = 80 * 30 / 100 = 2400 / 100 = 24

Hope this helps!

Step-by-step explanation:

In this problem, we need o find the rate in cups of lime juice per cup of yogurt.

It is given that, a salad dressing recipe includes 4/5 cup of lime juice for every 2 cups of Greek yogurt. Its rate is given by :

Hence, the rate is 8/5 cups of lime juice per cup.