For the level 3 course, exam hours cost twice as much as workshop hours, workshop hours cost twice as much as lecture hours. how much are lectures per hour?

Cost of lectures = $7.33 per hour

Let the cost of the exam hours

Let be the cost of the workshop hours

Let be the cost of the lecture hours.

We know from our problem that exam hours cost twice as much as workshop, so:

equation (1)

We also know that workshop hours cost twice as much as lecture hours, so:

equation (2)

Finally, we also know that 3hr exams 24hr workshops  and 12hr lectures cost $528, so:

equation (1)

Now, lets find the value of :

Step 1.  Solve for in equation (3)

equation (4)

Step 2. Replace equation (1) in equation (4) and simplify

equation (5)

Step 3. Replace equation (2) in equation (5) and solve for

Cost of lectures  = $7.33 per hour

cosine

step-by-step explanation:

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