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velikii [3]
3 years ago
12

South Jeff Middle School is raising money for a local charity. Their goal is to raise $500 by their holiday break. If they have

10 days before their break, what is a reasonable amount that they should collect each day to reach their goal?
Mathematics
1 answer:
xxTIMURxx [149]3 years ago
6 0

They should earn 50$ each day because 50x100=500

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We have to solve this quadratic equation n^{2}+n=56 for n to get <em>which figure has 56 blocks</em>.

n^{2}+n=56\\n^{2}+n-56=0

For middle term factorization, we need <em>two numbers that multiplied gives us -56 and added gives us 1 (coefficient of n).</em>

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<em>n^{2}+n-56=0\\(n+8)(n-7)=0\\n=-8, 7</em>

<u><em>"There is no negative figure number possible, so we disregard -8"</em></u>

Our answer is 7.


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