Alex and his friends went out for lunch for the weekend. The cost of the meal including sales tax was $45.50. The group decides to tip 20% for the good service they received. What was the total cost for the meal and the tip itself?

$54.60, the tip itself was $9.10

Step-by-step explanation:

45.50 increase 20% =

45.50 × (1 + 20%) = 45.50 × (1 + 0.2) = 54.6

17 1/3

step-by-step explanation:

well if he bought them at 5 cedis each sold them at 7 cedis each then he would make a profit of 2 cedis of each book. if in total he made 150 cedis profit that means he sold 75 books. he lost 12 books at the start so that means he originally bought a total of 82 books.

step-by-step explanation: