Answer:
x = 30.
Step-by-step explanation:
2/7 = 8/x−2
Cross multiply:
2(x - 2) = 7*8
2x - 4 = 56
2x = 60
x = 30.
The answer is 2+1/6y=3×+4
Using it's concept, your percentage for the month was of 94.12%.
<h3>What is a percentage?</h3>
The percentage of an amount a over a total amount b is given by a multiplied by 100% and divided by b, that is:
P = a/b x 100%
In this problem, your goal was of 85, with a grade of 80, hence the percentage is:
P = 80/85 x 100% = 94.12%.
Hence, your percentage for the month was of 94.12%.
More can be learned about percentages at brainly.com/question/10491646
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Answer:-7
Step-by-step explanation:do absolute value first and then put the negative sign
A = Ao(x)^t
Ao = 500
A = 500(x)^t
400 = 500 (x)^1
x = 4/5
A = 500(4/5)^t << The exp eqn