40 divided by -2/5 equals -4
so -2/5 x -4 equals 40
answer: -4
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Answer and Step-by-step explanation:
To solve for x, we need to first add 20 to both sides, and then add 2x to both sides.
2x > 20 + 4
Combine like terms.
2x > 24
Divide each side by 2.
x > 12
So, the answer is:
Any value of x that is greater than 12.
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For Percentage increase, just use this simple formula:
% inc. = (final - first ) / (first) and whatever you get multiply it by 100.
so, its going to look sth like this>> (900 - 800) / (800) = 0.125
now, 0.125 x 100 = 12.5%.
Thats your final answer
Hope this helped.