One grammy takes 15 hours to handmade. That's 4.5 hours more than 3 times the average duration d, of the award ceremony. write and solve an equation to find d.

d=3.5

Step-by-step explanation:

First, you need to find out what the three times d is equal to.

Now, just divide that by three to find the answer.

That means that d is equal to 3.5

Hope I helped, have a great one! Please mark brainliest!

what's the question?

step-by-step explanation:

there is no question.