"The chicken" should be accepted. if you were ordering chicken the food, you wouldnt need "the"
How many shillings is the chicken. Shilling being the name of the currency in both Tanzania and Kenya.
Which shows the translation is not quite correct. It should be "Kuku ni pesa ngapi".
Or even "Unauzaje kuku?"
"Chicken is how much" was marked wrong
How much for the chicken should be correct
How much for a chicken is the same thing as asking how much for chicken