Minus the 10 from the 50, which makes 40. then divide 40 by 8
50-10=40
40÷8=5
n=5
Answer:
256 cm squared
Step-by-step explanation:
Just did the Quiz, hope this helps!
A number is :

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Three quarters of it means :

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Decrease by 20 means :

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Equals to 82 means :

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What is that number ?
x asked so we must solve the above equation for x.
Let's do it....

Plus sides 20


Multiply sides by 4

Divided sides by 3


Simplify


So that number is 136 .
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And we're done.
Thanks for watching buddy good luck.
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(X+3)(x+7) X+7
————— = ——
(X-3)(x+3) X-3