A pound of oranges cost $3 less than a pound of pears. Together, 8 pounds of oranges and 4 pounds of pears cost $30. How much would 5 pounds of pears cost?

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Mathematics

15 January, 09:16

A pound of oranges cost $3 less than a pound of pears. Together, 8 pounds of oranges and 4 pounds of pears cost $30. How much would 5 pounds of pears cost?

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Ramiro Shelton · Answer 1

A pound of oranges cost x dollar = > A pound of pears cost x+3 dollar

We have: 8x+4 (x+3) = 30 = > 12x=30-12=18 = >x=1.5

5 pounds of pears cost: 5 (x+3) = 5 (1.5+3) = 5*4.5 = 22.5 (dollar)