Answer:
(a/b + 4) / 2 == (6/12.0 + 4) / 2 == (0.5 + 4) / 2 == 4.5/2 == 2.25

Fun with Mixed Expressions

Examine each expression in the following list. Decide if the operator in the button is an integer operation or a floating point operation. Then click on the operator to see if you are correct.

Note: These questions ask if the operator is floating point or integer. The value of the complete expression may be of a different type than one of its operators.

Question 13:
What is the remainder after dividing 13 by 5 (with integer division)?
If you have 13 pebbles and form two groups of 5 pebbles from them, how many pebbles are left over?