When saving money, one must know how to count and know the equivalency of different coin conversions. This is to ensure that we have counted the money and not a penny lost. Try it risk-free for 30 days. Watch 5 minute video clips, get step by step explanations, take practice quizzes and tests to master any topic. Quartrrs love the way expert tutors clearly explains the answers to my homework questions. Keep up the good work! Log in. Sign Up.