Answer:
12.5%
Step-by-step explanation:
% increase = (new value - initial value)/initial value x 100
= (90-80)/80 x 100
=10/80 x 100
= 12.5%
Answer:
2y + 4z = x
Step-by-step explanation:
Given



Required
Write an equation that which is true for the above parameters
<em>This question will be answered using trial by error method and the solution is not limited to one equation.</em>
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One equation that matches the values above is:.

To check:
Substitute the values of x, y and z in the above equation.




Hence,
Because both sides of the equation are one and the same (-4),
is true for the above values of x, y and z.
Answer:
A=15
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Answer:
-13734
Step-by-step explanation:
We're going to use pemdas for this equation.
Since there are no parenthesis we move on to exponents, which we do have, so we would cube 24, which gets us 13,824.
Next we subtract 90 from 13,824 which gives us our answer of -13,734