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Ivan earned j dollars in July and a dollars in August. The mean (average) of his earnings per month was s dollars. Which equation represents this information?

a) (j + a) / 2 = s
b) (j * a) / 2 = s
c) j - a = s
d) j + a = s

User Hemlocker
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Final answer:

The correct equation that represents the average of Ivan's earnings is (j + a) / 2 = s, since the mean of two amounts is their sum divided by 2.

Step-by-step explanation:

Ivan earned j dollars in July and a dollars in August. The mean (average) of his earnings per month was s dollars. The equation which represents this information is option a) (j + a) / 2 = s. This is because the mean of two numbers is found by adding them together and then dividing by the number of terms, which is 2 in this case.

User Krlm
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