Option B situations do the quantities combine to make 0.
What are arithmetic operators?
Arithmetic operations are a set of four basic operations to be performed to add, subtract, multiply or divide two or more quantities. These are also known as mathematical operations.
Addition
The addition is a basic mathematical skill of finding or calculating the total of two or more numbers, or we can say in simple words adding things together. It is denoted by the symbol ‘+’.
Subtraction
The subtraction arithmetic operation shows the difference between two numbers. It is denoted by the symbol ‘-‘. Subtraction is mostly used to find out what is left when things are taken away.
Multiplication
The repeated addition is known as multiplication. It is represented by the symbol ‘×’. Multiplication as an arithmetic operation helps us to find out the total when a number is repeating itself a number of times.
Division
The division is an act of dividing something into equal parts or groups. It is one of the four basic arithmetic operations which gives a fair result of equal sharing.
Option A :
Given
A bird flies 25 feet up in the air. It then flies 25 feet across to its
nest.
So, total distance flown by bird = 25 + 25 = 50 feet
Which do not combine to 0.
Option C :
A player in a game earns 4 points for getting an answer right. She
then earns 4 points for making it around the board.
Hence, total points earned = 4 + 4 = 8
Which do not combine to 0.
Option D :
A car is filled with 10 gallons of gas, Half of the 10 gallons are
then used on a day's drive.
= 10 - [tex]\frac{1}{2}[/tex] × 10
= 10 - 5
= 5
Which do not combine to 0.
Option B :
Veronica receives $21 for babysitting. She then spends $21 on a
new shirt.
So net amount left with Veronica = 21 - 21 = 0
Hence, it combines to zero.
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