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You are a school photographer taking individual and class pictures for 2 classes of 21 students each. On average, each individual picture takes 3 minutes and a class picture takes 10 minutes. About how long should it take you to get all of the pictures?

Sagot :

2 x 10 (classes x mins to take) = 20mins

21 x 2 = 42 individual students (students per class x number of classes)
42 x 3 (students x mins to take) = 126mins

20 + 126 = 146 minutes (2 hours and 26 minutes)

Answer:

146 minutes

Step-by-step explanation:

2 class has 21 students each

2 class has students = 21+21=42

It takes time to click picture of 1 student = 3 minutes

It takes time to click picture of 42 student =[tex]3 \times 42[/tex] minutes

                                                                      =[tex]126[/tex] minutes

It takes time to click picture of 1 class = 10 minutes

It takes time to click picture of 2 class = 20 minutes

So, total time = 126 minutes + 20 minutes = 146 minutes

Thus it will take 146 minutes to get all of the pictures

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