Question

Question
Use the image to answer the question.

An illustration shows quadrant one of a coordinate plane where the x-axis and y-axis range from 0 to 6 in increments of 1. The y-axis is titled total cost in dollars and the x-axis is titled number of markers. A solid line, labeled A, is marked on the graph and passes through coordinates left parenthesis 0 comma 0 right parenthesis and left parenthesis 3 comma 6 right parenthesis. A dotted line, labeled B, passes through coordinates left parenthesis 0 comma 0 right parenthesis and left parenthesis 6 comma 3 right parenthesis.

Predict what the total cost would be for buying 10 of the type A markers.

(1 point)
Responses

$5.00
$5.00

$0.50
$0.50

$20.00
$20.00

$2.00

Answer 1

To determine the total cost for buying 10 of the type A markers based on the information provided, we first need to find the price per marker from line A on the graph.

Line A passes through the points (0, 0) and (3, 6), which indicates that:
- At 0 markers, the cost is $0.
- At 3 markers, the cost is $6.

From this, the cost per marker can be calculated as follows:
- The price for 3 markers is $6, so the cost per marker is \( \frac{6 \, \text{dollars}}{3 \, \text{markers}} = 2 \, \text{dollars per marker} \).

Now, to find the total cost for 10 markers:
- Total cost = Cost per marker × Number of markers = \( 2 \, \text{dollars/marker} \times 10 \, \text{markers} = 20 \, \text{dollars} \).

Thus, the predicted total cost for buying 10 of the type A markers is **$20.00**.