Given:
Total price of dinner = 48
They tipped the server 20 % of that amount.
To find:
The amount of tip.
Solution:
According to the question,
Amount of tip = 20 % of Total price of dinner
Total price of dinner = 48
![\text{Amount of tip}=(20)/(100)* 48](https://img.qammunity.org/2021/formulas/mathematics/high-school/8nyrw97n3zscvvug6tqpnurkhr9cebu359.png)
![\text{Amount of tip}=(1)/(5)* 48](https://img.qammunity.org/2021/formulas/mathematics/high-school/57qkh27vyoxl4evk6zj8fs96a1bivjshor.png)
![\text{Amount of tip}=(48)/(5)](https://img.qammunity.org/2021/formulas/mathematics/high-school/hbcpq89ocs78g3sxypqv0qiwiivqiaxmqn.png)
![\text{Amount of tip}=9.6](https://img.qammunity.org/2021/formulas/mathematics/high-school/6bv3sgnn1z8ezlukg8hiuspcw07en6aboj.png)
Therefore, the amount of tip is 9.6.