Question

Nina bought a computer mouse for $9.30.She paid with a $20 dollar bill how much money din she get back

Answer 1

Answer:
`\$10.7`

Explanation:

Given

Nina bought a computer mouse for $9.30

She paid a $20 dollar bill

The money she received is the difference between what is paid and the cost of the mouse i.e.

`\Rightarrow 20-9.3\\\Rightarrow \$10.7`

Therefore, she gets
`\$10.7` after deductions.