I think of a number. I multiply it by 7. I add 12. The result is 40. What is the number I am thinking of?
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Answer:
0.71
Step-by-step explanation:
1st attempt = %
2nd attempt = %
To get the average of something, find the sum of the numbers and then divided the sum by the total number of values there are.
⇒ 63 + 79 = 142
⇒ 142 / 2 = 71%
⇒ 71% = .71
Let's look at the multiplication exponent rule.
Meaning that the exponents will add together when the same base is multiplied.
Hope this helps.
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