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nalin [4]
3 years ago
12

There is a bag with only red marbles and blue marbles.

Mathematics
1 answer:
9966 [12]3 years ago
7 0

Answer:

There are 60 marbles in the bag

Step-by-step explanation:

The total number of marbles  times the probability of red marbles = number of red marbles

total * 7/10 = 42

Multiply each side by 10/7

total * 7/10 * 10/7 = 42*10/7

total

60

There are 60 marbles in the bag

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