Given:
Sarah ate
of the pizza.
Her friend John ate 20%.
Her friend Jules ate half of the pizza.
To find:
The remaining part of the pizza.
Solution:
We have,
Sarah ate =
of the pizza.
John ate =
of the pizza.
=
of the pizza.
=
of the pizza.
Jules ate =
of the pizza.
Total part of a pizza they ate =
=
=
of the pizza.
Now, the remaining pizza is
Remaining pizza = 1 - Total part of a pizza they ate
=
of the pizza.
=
of the pizza.
=
of the pizza.
Therefore, the remaining pizza is
of the pizza.