A 5-pound bag of oranges costs $10. How much does it cost for 1 pound of oranges?
1 answer:
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The variable we need to isolate is P. In order to do so, we add a / 3w on both sides.
P =
P =
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: