Question 1
A farmer had 5 times as many goats as chickens. After he bought another 40 chickens, he had 4 times as many goats as chickens. How many chickens and goats did the farmer have altogether in the end?
Clue 1: Draw before-and-after models
Clue 2: Identify the animals which its quantity remained unchanged
Clue 3: After identifying the type of animal, look at both models drawn for this animal and ensure the number of units drawn are the same.
Question 2
Sam had 4 times as much money as Lily. After Lily received $24 from her grandparents, Sam had 3 times as much money as Lily. How much did Lily have in the end?
