Alice\textquotesingle s average score on the first four assignments is $$89$$. She got $$94$$ on the fifth assignment. What is Alice\textquotesingle s average score on all five assignments? 
Overseas Competition->Knowledge Point->Word Problem Modules->Average Problems ->Questions Involving Average->Questions Involving Average (ordinary type)
$$89\times4=356$$  $$356+94=450$$  $$450\div5=90$$ 