2. (7.3B)Gwen has $29.00. If she buys 2 shortcakes at $3.99 each and 7 pounds of strawberries
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Try this:
1. sum of numbers is x+y=67, the difference between them is x-y=11
2. it is possible to make up and resolve the system:
1. sum of numbers is x+y=67, the difference between them is x-y=11
2. it is possible to make up and resolve the system: