Answer:
$27.25
Step-by-step explanation:
number 11 is 18.25 since you would just take 7.30 x 250%.
number 12: the tip is $6.75. the tax is $2.25. so if you combine the tax AND tip you will get $9.00 and in total he spent (18.25 + 9.00) which is $27.25
