Comparison of ages of multiple family members
medium
1 of 5 Lessons
Future and past age ratios calculation for two
medium
2 of 5 Lessons
Alligation rule for mixing products at costs
medium
3 of 5 Lessons
Ratio identification from a mixed data set
medium
4 of 5 Lessons
Solving linear word problems with one variable
medium
5 of 5 Lessons