Question

The sales totals at Robert's food store have increased linearly over the month. Which of these best shows the sales in the first three months?

$1200 in the first month, $1212 in the second month, $1224.12 in the third month
$1200 in the first month, $1236 in the second month, $1273.08 in the third month
$1200 in the first month, $1285.48 in the second month, $1370.96 in the third month
$1200 in the first month, $1224.28 in the second month, and $1248.48 in the third month

Answer 1

C

Explanation:

Answer 2

The third option is the best example of his sales. If they increase linearly, they increase the same amount every month. In the third option, 1200 gains $85.48 and then it adds another $85.48.