Use the image to answer the question.

Question

An illustration shows a set of three adjacent rectangles labeled as Brayden. Another single rectangle is labeled Dominic and is placed below Brayden. All rectangles have the same dimensions. A bracket on the right side encompasses both sets and points to the number 48.

Brayden and Dominic both babysit on the weekend. This weekend Brayden and Dominic earned money in a ratio of 3:1
. If the boys earned a total of $48, how much did Dominic earn?

(1 point)
Responses

$16
$16

$12
$12

$36
$36

$48
$48
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Answer 1

Brayden and Dominic earned money in a ratio of 3:1. If the total amount they earned is $48, we can set up the following equation:

3x + 1x = $48

Combining like terms, we get:

4x = $48

Dividing both sides of the equation by 4, we find:

x = $12

Since Dominic's earnings are represented by 1x, or $12, Dominic earned $12.

Therefore, the correct answer is $12.