John works two jobs. as a security guard he earns $8.50 per hour. as a landscaper he earns $14 per hour. one week john worked a total of 60 hours and earned $691.50. how many hours did he work at each job?

John work as a security guard job 27 hours and as a landscaper 33 hours.

Step-by-step explanation:

Given:

John works two jobs.

As a security guard he earns $8.50 per hour and as a landscaper he earns $14 per hour.

One week John worked a total of 60 hours and earned $691.50.

Now, to find hours he work at each job.

Let the job of security guard be hours.

And the job of landscaper be hours.

So, the total hours John worked in a week:

⇒ ............( 1 )

Now, the money earned by John in a week:

Putting the equation ( 1 ) in the place of :

⇒

⇒

Moving variables on one side and the other we get:

⇒

⇒

Dividing both sides by 5.50 we get:

⇒

As a security guard job he worked 27 hours.

Putting the value of in equation ( 1 ) we get:

⇒

As a landscaper he worked 33 hours.

Therefore, John work as a security guard job 27 hours and as a landscaper 33 hours.

15 units use socratic

step-by-step explanation: 15 units

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation: