Kira's store collects 5% sales tax on every item sold. if she collected $22 in sales tax, what was the cost of the items her store sold?

Step-by-step explanation:

Let

x -----> the cost of the items Kira's store sold

Remember that

----> sales tax in decimal number

we know that

The cost of the items that Kira's store sold multiplied by the sales tax in decimal number must be equal to $22

so

Solve for x

Divide by 0.05 both sides