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3 years ago

6th-grade math, help me please:)

Mathematics

2 answers:

riadik2000 [5.3K]3 years ago

4 0

Answer:

1. is b and 2. is c

Step-by-step explanation:

schepotkina [342]3 years ago

3 0

Answer:

1. b) 1/4

2. c) 70

Step-by-step explanation:

1. There is 100% in a whole and you are trying to find 25%, so if you multiply 25 by 4, you get 100, therefore, 25% is the same as 1/4

2. 50% is half of 100%, so you need to find half of 140. Half of 140 is 70.

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If a salesperson sells 3/4 of an acre for $80,000, what was the price per square foot rounded to two decimal spaces?

Julli [10]

Now, recalling that for 1 yard, there are 3 feet, therefore $\bf \begin{array}{ll}
yards&feet\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
1yd&3ft\\
(1yd)^2&(3ft)^2\\
yd^2&3^2ft^2\\
&9ft^2
\end{array}$

and keeping in mind that, there are 4840 yd² in 1 acre, then

$\bf \cfrac{\quad \frac{3}{4}~\underline{acre}\quad }{80000~\$}\cdot \cfrac{4840~\underline{yd^2}}{\underline{acre}}\cdot \cfrac{9~ft^2}{\underline{yd^2}}\implies \cfrac{\frac{3}{4}\cdot4840\cdot 9~ft^2}{80000~\$}\implies \cfrac{\frac{130680}{4}}{80000}
\\\\\\
\cfrac{\frac{130680}{4}}{\frac{80000}{1}}\implies \cfrac{130680}{4}\cdot \cfrac{1}{80000}\implies \cfrac{3267}{8000}~\frac{ft^2}{\$}~\approx~ 0.408375 ~\frac{ft^2}{\$}$

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3 years ago