Answer:
10
Step-by-step explanation:
Answer
one answer can be x = 30
Step-by-step explanation:
triangle needs to be 180 so if xy are the shortest they can be equal so z can be 120
25 divided by 5 is 5 so she gave 5 stamps each week
64 divide by 3 would roughly be 12 weeks because otherwise it would be a renainder
12 add 5 equals 17 weeks
So it should take 17 weeks
hope this is right Please ask me if any doubts
Thank you Good Luck