Answer: 3/11 would be the answer
4/9 + 1/5 (common denominator is 45)
20/45 + 9/45 = 29/45
30 dollars
If she received 30 dollars in change then she paid with a 100 dollar bill
Answer:
2/14
Step-by-step explanation:
i tried my best
Module 1: set, relations, functions, numbers
Module 2: logic and boolean algebra
Module 3: combinatorics and probability
Module 4: graphs and trees
Module 5: induction and recursion
Module 6: grammars, languages and finite state machines.