Answer :

sugarmate
Charlie buys 2.5 pounds of oranges for 3.75.

To find out how much he will pay for 1 pound of oranges, use the proportion

2.5/3.75 = 1/x
Cross multiply to get x = $1.50 per pound of oranges.
crisforp
Let  number be "x"( the cost of one pound of oranges ) ;
( 2  1 / 2 )x = 3.75 ;
( 5 / 2 )x = 375 / 100 ;
x = ( 375 / 100 )×( 2 / 5 ) ;
x = 750 / 100 ;
x = $7.50 ;

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