David found a new part-time job that pays $2400/month. This is 5 times what he made at his previous job. What was David’s yearly salary at his old job?(1 point)

Question

Responses

$480 a year
$480 a year

$28,800 a year
$28,800 a year

$144,000 a year
$144,000 a year

$5760 a year
$5760 a year

Answer 1

To find David's yearly salary at his old job, we need to divide his monthly salary at his new job by 5.

So, his monthly salary at his old job would be $2400/5 = $480.

To find his yearly salary, we multiply his monthly salary by 12: $480 * 12 = $5760.

Therefore, David's yearly salary at his old job was $5760. Answer choice: $5760 a year.