Assuming 4% tax.
(4.50+6.25+d)0.04= 0.54
(10.75+d)=13.5
d= $2.75
Answer:
Step-by-step explanation:
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Answer:166
Step-by-step explanation:438x.38=166
438 being the total amount of students
.38 being the 38% involved (moved percentage two to the left to make it a decimal)