Question:
Joyce had some money. She bought a dress, a shirt and a watch. She spent 1/5 of her money on the shirt. The shirt cost $24 less than the dress. The watch cost $102. She was left with 1/4 of the amount of money she had at first. How much money did Joyce have at first?
Solution:
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how to get 3/5 in the model
Shirt is 1/5. Another 1/5 is dress – $24.
So 1 – 1/5 (shirt) – 1/5 (dress – $24) = 3/5.
hope this clarifies!