Respuesta :

The answer is three dollars and fifty cents

sacarrasco19
An ounce of pine nuts cost $1.40 if Ellen buys 2.5 ounces of pine nuts, how much will she have to pay?

One ounce cost $1.40, she needed 2 and a half ounces so. 

1.40
x 2.5
=$3.50

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