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)
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
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.
To find David's yearly salary at his old job, we can divide his monthly salary at his new job ($2400) by the number of times he made at his previous job (5), and then multiply it by 12 (months in a year).
Yearly salary at old job = ($2400/5) * 12
= $480 * 12
= $5760
Therefore, David's yearly salary at his old job was $5760.