Free practice · numeric · hard

Practice

Complete a ratio mastery calculation

A fictional process uses 8 labels for each batch. At the same supplied rate, how many labels are needed for 15 batches?

Ratio direction map

Label both quantities before reducing to a per-one rate

  1. LabelQuantity A compared with B
  2. DirectChoose the requested per-unit direction
  3. ReduceDivide both parts consistently
  4. ScaleApply one factor to both parts
  5. CheckUnits and cross-products agree

Direction determines meaning. Preserve the numerator and denominator units, scale both parts together, and substitute the result to check the relationship.