Answer:
See below ~
Step-by-step explanation:
<u>P (6th grader)</u>
- No. of 6th graders / Total students
- 6 / 6 + 7 + 8
- 6/21
- 2/7
<u>P (6th grader after)</u>
- No. of 6th graders - 1 / Total students - 1
- 6 - 1 / 21 - 1
- 5/20
- 1/4
<u>Question 1 : P (Both 6th graders)</u>
- P = P (6th grader) × P (6th grader after)
- P = 2/7 x 1/4 = 2/28 = <u>1/14</u>
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<u>Question 2 : P' (Both 6th graders)</u>
- P' = 1 - P
- P' = 1 - 1/14
- P' = <u>13/14</u>
Answer:
72 cans
Step-by-step explanation:
step 1
Find the number of people
we know that
She ordered 1 pizza for every 4 people
using proportion
Find out the number of people for 6 pizzas

step 2
Find the number of cans ordered
we know that
Charissa ordered 3 cans of lemonade for each person
so
using proportion
Find out the number of cans of lemonade she ordered for 24 people

Your answer is 85.555,hope this helped or 85.5 with - over it