Respuesta :

I say 10 ounce is left sorry if I’m wrong
anniedagoat
I believe there is 10 ounces left. 1/10 of the box would be equivalent to 2 ounces (1/10 is equivalent to 2/20) and 2/5 would be equivalent to 8 ounces (2/5 is equivalent to 8/20) meaning that 10 ounces of the box were eaten.