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Name: $\qquad$ $5$ $-4$ Additional Practice $1$ . $2-4$ Pairs of values on the coordinate plane. $\newline$ $2$ . $\newline$ $3$ . A store charges $\$ 140$ for every $10$ bags of fertilizer a farmer buys. $\newline$ a. Complete the table. Graph the values. $\newline$ \begin{tabular}{|l|l|l|l|l|l|} $\newline$ \hline \begin{tabular}{l} $\newline$ Fertilizer \\ $\newline$ (bags) $\newline$ \end{tabular} & $10$ & \multicolumn{ $2$ }{|c|}{} \\ $\newline$ \hline Cost (s) & $140$ & $30$ & $40$ & $70$ \\ $\newline$ \hline $\newline$ \end{tabular} $\newline$ b. How much would a farmer pay for $50$ bags of fertilizer? Explain. $\newline$ $4$ . A car uses $5$ gallons of gas for every $120$ miles it travels. $\newline$ a. Complete the table. Graph the values.

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Q. Name:

\qquad

5

-4

Additional Practice

1

2-4

Pairs of values on the coordinate plane.

\newline

2

\newline

3

. A store charges

\$ 140

for every

10

bags of fertilizer a farmer buys.

\newline

a. Complete the table. Graph the values.

\newline

\begin{tabular}{|l|l|l|l|l|l|}

\newline

\hline \begin{tabular}{l}

\newline

Fertilizer \\

\newline

(bags)

\newline

\end{tabular} &

10

& \multicolumn{

2

}{|c|}{} \\

\newline

\hline Cost (s) &

140

30

40

70

\newline

\hline

\newline

\end{tabular}

\newline

b. How much would a farmer pay for

50

bags of fertilizer? Explain.

\newline

4

. A car uses

5

gallons of gas for every

120

miles it travels.

\newline

a. Complete the table. Graph the values.

Calculate cost per bag: Calculate the cost per bag of fertilizer. $\newline$ $\$140 / 10$ bags = $\$14$ per bag $\newline$ This means that each bag of fertilizer costs $\$14$ .
Calculate cost for $50$ bags: Calculate the cost for $50$ bags of fertilizer. $\newline$ Since each bag costs $\$14$ , for $50$ bags, the cost would be: $\newline$ $50$ bags $*$ $\$14$ /bag = $\$700$
Complete table with values: Complete the table with the calculated values. $\newline$ For $30$ bags: $30$ \text{ bags} * \$$14$/\text{bag} = \$$420$$\newline$For $40$ bags: $40$ \text{ bags} * \$14$/\text{bag} = \$$560$$\newline$For $70$ bags: $70$ \text{ bags} * \$$14$/\text{bag} = \$$980$$\newline$The completed table would look like this:$\newline$Fertilizer (bags) | Cost (\$)$\newline$------------------|---------$\newline$$10 | $$140$$\newline$$30 | $$420$$\newline$$40 | $$560$$\newline$$50 | $$700$$\newline$$70 | $$980$
Graph values on plane: Graph the values on the coordinate plane.$\newline$Plot the pairs $(10, 140)$, $(30, 420)$, $(40, 560)$, $(50, 700)$, and $(70, 980)$ on the coordinate plane with the number of bags on the $x$-axis and the cost on the $y$-axis. Connect the points to show the linear relationship.