3 years ago

In an assembly 180 students are in nine equal rows how many students are in each row

1 answer:

7 0

180/9= 20 students in each row

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Answer:

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Step-by-step explanation:

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algol [13]

Answer:

30/169

Step-by-step explanation:

We need to know how many marbles in the bag

6 red marbles + 2 white marbles + 5 blue marbles = 13 marbles

P (red) = red / total = 6/13

We then put the marble bad so there are still 13 marbles in the bag

P(blue) = blue /total = 5/13

P (red then blue ) = P(red) *P(blue)

= 6/13 * 5/13 = 30/169

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3 years ago