Josh went to applebee's and enjoyed a delicious steak. he enjoyed his server and wanted to give her an extra special tip . usually josh tips 20 % to all servers . today he tipped his server 25 % of his subtotal. after josh ordered his desert, his subtotal before tax was $21.00. how much did josh tip his server? how much more did he tip his server today, than he normally would tip? after the 7.5 % sales tax , and the 25 % tip , how much was josh 's final bill ?

Josh tips to his server = $5.25

He tips $1.05 his server today, than he normally would tip.

Josh final bill=$42

Step-by-step explanation:

Given: Josh subtotal amount before tax = $21.00

Previous tip =20% of 21=

Current tip= 25% of 21=

Josh tips to his server = $5.25

Increase in tip=

So, he tips $1.05 his server today, than he normally would tip.

Now, Tax amount =7.5 % of 21=

Hence,  Josh final bill= Subtotal before tax+tip+tax

the forst and 3rd

step-by-step explanation:

step-by-step explanation:

to find if any function is an inverse of the other, put the first equation in as x in the next one. then simplify and solve. if at the end you get the statement y = x, then it is an inverse. if you get anything else, it is not.