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Area of a rectangle is length * width. So we find the factors of 250 that together have a ratio of 5:2.
Your answer is 25 inches in length and 10 inches in width. Divide each dimension by 5, you get your ratio.
Given the fraction,
Therefore, the answer to the complex fraction is -3/2 in its lowest term.
Tell you what I'm gonna do: I'll show you the work, and then
YOU can take the final steps to the answer.
Alisha needs $228.
She has been saving up for it.
How much more does she need ?
We'll know that, as soon as we figure out how much she has <u>now</u>.
She has saved $4.75 each week for the past 8 weeks.
That means she has put $4.75 into a jar 8 <em>times</em>.
So now, she has 8 <em>times</em> $4.75 .
How much is 8 <em>times </em>$4.75 ?
The difference between $228 and that number
is how much more she needs.
Over to you.
Take it !
Answer:
Step-by-step explanation:
x(x+2) = 143
:::::
x² + 2x - 143 = 0
x = [-2 ±√(2²-4(1)(-143))]/[2(1)] = 11, -13
:::::
11 and 13
:::::
-13, -11
