Question
A supermarket has a special offer for cans of tuna.

1 can for $3

SPECIAL OFFER:
2 cans for $5

Paul has $23. What is the greatest number of cans of tuna he can buy?
4 m

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A supermarket has a special offer for cans of tuna.

1 can for $3

SPECIAL OFFER:
2 cans for $5

Paul has $23. What is the greatest number of cans of tuna he can buy?