IDNLearn.com makes it easy to find answers and share knowledge with others. Join our interactive Q&A community and access a wealth of reliable answers to your most pressing questions.

You are trying to save $20 a week to
buy a new CD player. During the last 4
weeks you have saved $35, $15, $10,
and $12. How much do you need to
save this week to average $20 for the 5
weeks?