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Alex787 [66]
3 years ago
12

300 is what percent of 3200

Mathematics
2 answers:
KatRina [158]3 years ago
6 0
3200·x/100=300
3200x=300·100
3200x=30000
x=30000/3200
x=300/32
x=9,375%

<em>Answer:9,375%</em>
Sergeu [11.5K]3 years ago
5 0
3200*x =300 \ \ /:3200\\\\x =\frac{300}{3200}=\frac{3}{32}=0,09375 *100=9,375\ \%


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Daniel and his children went into a bakery and where they sell cupcakes for $3.75 each and donuts for $1 each. Daniel has $20 to
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The system of inequalities are x + y ≥ 7 and 3.75x + 1y ≤ 20 The one possible solution is 4 cupcakes and 3 donuts.

<u>Solution:</u>

Given, Daniel and his children went into a bakery and where they sell cupcakes for $3.75 each and donuts for $1 each.  

Daniel has $20 to spend and must buy a minimum of 7 cupcakes and donuts altogether.  

⇒ "x" represents the number of cupcakes purchased

⇒ "y" represents the number of donuts purchased,  

we have to write and solve a system of inequalities graphically and determine one possible solution.

Now, he should buy minimum 7 items, then x + y ≥ 7 ⇒ (1)

And, he has $20, so his maximum purchase is $20 then, 3.75x + 1y ≤ 20 ⇒ (2)

Now, suppose that he took 5 cupcakes, then he must take at least 2 donuts to satisfy (1)

So, substitute x and y values in (2)

⇒ 3.75(5) + 1(2) ≤ 20

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So he can take maximum of 4 cupcakes only, and subsequently he has to take minimum of 3 donuts.

Hence, the one possible solution is 4 cupcakes and 3 donuts

7 0
3 years ago
Alejandra gets paid 9 dollars per hour she works. If h is the total number of hours Alejandra works, which expression could be u
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Answer:

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Step-by-step explanation:

All you would have to do is multiply 9 by 24 and you would get 216 dollars. and i thin this is correct.

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3 years ago
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rjkz [21]

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Let us denote the unknown length SQ as x.

We could make the following similarity relation;

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Cross multiply to obtain;

\begin{gathered} 30(60+x)=60(35) \\ 1800+30x=2100 \\ \text{collect like terms} \\ 30x=2100-1800 \\ 30x=300 \\ \text{divide both sides by 30} \\ \frac{30x}{30}=\frac{300}{30} \end{gathered}

Therefore;

x=10\operatorname{cm}

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7 0
3 years ago
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