Luke went to Best Buy and bought a Sphero Mini. The sphero cost $49.99 if he paid
a total of $53.99, what is the tax rate?

The tax rate is 8% .

Step-by-step explanation:

Here we have , Luke went to Best Buy and bought a Sphero Mini. The Sphero cost $49.99 if he paid  a total of $53.99, We need to find what is the tax rate. Let's find out:

Let tax rate be x% in the Sphero cost $49.99 . Now , Amount of tax paid is given by :

⇒

According to question , Amount of tax paid is given by :

⇒

⇒

Equating both we get :

⇒

⇒

⇒ %

Therefore , The tax rate is 8% .

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