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Akimi4 [234]
1 year ago
5

a bag has 6 green, 4 red, 5 yellow and 15 blue marbles what is the possibility that the marble is red or blue

Mathematics
1 answer:
ki77a [65]1 year ago
8 0

Answer: 19/30 or about 63%

Step-by-step explanation: Add all your marble up so 6+4+5+15 to get the total amount of options or marbles in this case. Now find out how many red and blue marbles you have so 4+15 or 19 now you can divide the red and blue marbles by the total amount of marbles to get your percentage of pulling a red or blue marble from the bag.

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<h3>How much water would the gardener need to water the whole garden?</h3>

Here we know that the gardener needs 1/3 of a liter of water to water 2/7 of a garden.

Then we have the relation:

1/3 L = 2/7 of a garden.

Now, we want to get a "1 garden" in the right side of the equation, then we can multiply both sides by (7/2), so we get:

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This means that the gardener would need (1 + 1/6) liters of water to water the whole garden.

If you want to learn more about fractions:

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