Question

What fraction of earths atmoshere is made up of nitrogen?

NEED HELP NOW!!!!
WILL GIVE 40 POINTS!!!!
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Answer 1

78/100 or 39/50 (simplified)

Explanation:

First, let's convert 78% into a decimal.

• 78% = 0.78

Now, we know that 0.78 is the same thing as 78/100. We can simplify 78/100 into 39/50, where 2 is the GCF

Thus, the answer is 78/100 or 39/50.

Answer 2

im guessing it is 78/100 because u circled 78

Explanation:

because 21 + 1 + 78 = 100

so 78/100 is the fraction