Question 3: Add 9 to 5 times n to get 3 is reprented as

Mathematics

2 answers:

iragen [17]3 years ago

6 0

Answer:

5n + 9 = 3

I hope im right!!

Llana [10]3 years ago

3 0

5n + 9 = 3

because it says add 9 , then you do 5xn which is 5n & you would get 3

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Andrea wanted to calculate 5% of 300, so she multiplied 300 by 0.5 (300 x 0.5).

Mars2501 [29]

This is because Andrea converted the Percentage wrong.
to Convert a Percent to a Decimal, she should have divided by 100
so 5 divided by 100 = 0.05 [not 0.5]
Andrea should have multiplied 300 by 0.05 instead to get the right answer

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so 10% of 300 is 30

since 5% is half of 10%
half of 30 is 15

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