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1 year ago

Kian bought 20 pencils for $1.60. at that rate, how much would 35 dollars cost?

Mathematics

1 answer:

disa [49]1 year ago

4 0

Assuming that in the last part of the statement says pencils instead of dollars:

20 pencils for $1.60

1.60 /20 = 0.08 per pencil

For 35 pencils:

0.08 x 35 = $2.8

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Rashid [163]

Answer:

<em>16.5 gallons per minute.</em>

Step-by-step explanation:

The given table is:

$\begin{center}\begin{tabular}{ c c } Time(minutes) & Water(gallons) \\ 1 & 16.50 \\ 1.5 & 24.75 \\ 2 & 33 \\\end{tabular}\end{center}$

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Slope of a function:

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$x_2 = 1.5\\x_1 = 1\\y_2 = 24.75\\y_1 = 16.50$

$m=\dfrac{24.75-16.50}{1.5-1}\\\Rightarrow m =16.5$

This slope is the constant of proportionality.

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3 years ago