A storekeeper increased the price of hats by `5\%`. A hat was originally priced at `\$15.00`. What is the new cost of the hat?

$15.75

Step-by-step explanation:

From the question, we are informed that a storekeeper increased the price of hats by 5% and that the hat was originally priced at $15.00.

The new cost of the hat will be:

= $15.00 + (5% × $15.00)

= $15.00 + (5/100 × $15.00)

= $15.00 + (0.05 × $15.00)

= $15.00 + $0.75

= $15.75

The new cost of the hat is $15.75

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the answer will be b x² +x-1

step-by-step explanation: