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yellow tiles $1
blue tiles $2
red tiles $3
I only have $13 to spend and I need to find out what different combinations of the 3 colors I can make to spend all of my money. Can you help show some of them? Use color tiles to help solve.
Example: 4 red and 1 yellow= $13
Challenge: What combinations could I make if I could buy green tiles for $4 each?