Answer this equation in average please:
Average
1. Anne has 40 stamps, Jun-Jun also has 40 stamps, while for Tony, her stamps are unknown. But the 3 children's average of stamps are 45 stamps. Find Tony's average amount of stamps. Guys pls answer! I just made up the question only to get an example of an answer. Please please! my exam's will start tomorrow in MATH! >O<


(also give a solution for me to get SOLUTION PLS!!!!!) :(

1

Answers

2015-08-17T23:26:18+08:00
(40+40+N)÷3= 45
(45×3)-(40+40)=N
135-80= N
N=55

Hope that will help :) 
1 5 1
thak you so much! ^O^
Your always welcome :D
^_^
^o^