Respuesta :

$21 plus $9 = $30

30 x 7% = 30 x 0.07 = 2.1

30 plus 2.1 = $32.1

Answer: $32.1

Hope this helps

The cost to purchase both a bicycle tube and a tire patch kit is $32.1.

Given that, a store sells a bicycle tube for $21.00 and a tire patch kit for $9.00. The tax rate is 7%.

We need to find how much would it cost to purchase both.

What is the cost price?

Cost price is the total amount of money that it costs a manufacturer to produce a given product or provide a given service. A cost price includes all outlays that are required for production, including property costs, materials, power, research and development, testing, worker wages and anything else that must be paid for.

The total cost=21+9 = $30

Now, 7% of 30

=30 x 7% = 30 x 0.07 = 2.1

Selling price=30+2.1 =$32.1

Hence, the cost to purchase both a bicycle tube and a tire patch kit is $32.1.

To learn more about the cost price visit:

https://brainly.com/question/11027396.

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