Jacob ate pie for dessert. He says the amount he ate is equal to the product One-fifth times one-half. Which model represents how much of the whole pie Jacob ate? A circle divided into 10 parts. 1 is shaded. A circle divided into 10 parts. 2 are shaded. A circle divided into 10 parts. 5 are shaded. A circle divided into 10 parts. 7 are shaded.