The expression that represents the total amount Dave needs to spend on hats is 28h.
Given that the cost of 1 hat that Dave buys is $28.
We are required to form an expression that shows the amount that Dave needs to spend to buy the hats.
Expression is combination of numbers, symbols , coefficients,determinants, indeterminant, mostly not found in equal to form.It sometimes shows some relationship.
Let the number of hats be h.
According to the question,
We know that the expenditure is equal to price multiplied by units purchased.
Total amount=28h.
Hence the expression that represents the total amount Dave needs to spend on hats is 28h.
Learn more about expressions at https://brainly.com/question/723406
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