• ### E.3. Rate Basics

3. #### E.3.1. Rate in Perform Level

1. E.3.1.1. Find quantity with differing times
2. E.3.1.2. Find time with differing quantities
3. E.3.1.3. Find quantity with changing time
4. E.3.1.4. Find time with changing quantities
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• ### . Rate Enrichment

3. #### E.3.2. Rate in Achieve Level

1. E.3.2.O. Overview
2. E.3.2.1. Find quantity and time
3. E.3.2.2. Find time with input rate and output rate
4. E.3.2.3. Find time differences by comparing rates
5. E.3.2.4. Find rate given the difference in time
6. E.3.2.5. Find original quantity using rate
7. E.3.2.6. Find time if working together
8. E.3.2.7. Find quantity if combined differently
9. E.3.2.8. Find quantity given choice
10. E.3.2.9. Find quantity given discretely changing rates
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• ### E.6. Rate Challenge

3. #### E.6.1. Rate in Challenge Level

1. E.6.1.O. Overview
2. E.6.1.1. Finding rate per worker and per unit time.
3. E.6.1.2. Different input rate and output rate
4. E.6.1.3. Find time with modified rate
5. E.6.1.4. Varied rate (2 parts)
6. E.6.1.5. Varied rate (>2 parts)
7. E.6.1.6. Mixed rate with decimal
8. E.6.1.7. Find time if two work together
9. E.6.1.8. Find quantity if two work together
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