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Spencer visits an electronics store to buy a tablet. The store is having a sale and discounting all tablets by 15% of the marked price. He buys a tablet with a marked price of $214.80.

Set up a proportion that can be used to find the dollar amount of the discount (d).

d / 214.80 = 15 / 100

Spencer visits an electronics store to buy a tablet. The store is having a sale and

discounting all tablets by 15% of the marked price. He buys a tablet with a marked price of $214.80.

To find the dollar amount of the discount (d), we can set up a proportion using the marked price and the discount percentage.

Let's denote the dollar amount of the discount as d.

The marked price of the tablet is $214.80. The proportion can be set up as follows:

(d / 214.80) = (15 / 100)

In this proportion, the numerator (d) represents the dollar amount of the discount, and the denominator (214.80) represents the marked price of the tablet.

The proportion is set up with the discount percentage (15%) in the numerator and the total amount (100%) in the denominator.

Solving this proportion will give us the desired dollar amount of the discount (d).