Example: 1a

The price of a physics book is $689.6. Becky has $475.2 only. How much more money does he need to purchase the book?

Explanation:

In the above problem, the price of the physics book is $689.6 and the money Becky has is $475.2. Therefore, the extra money that is needed to buy the book is 689.6 - 475.2 = $214.4

Example: 2a

The difference between the two decimals is 68.2. The first number is 797.4. Find the second number.

Explanation:

In the above problem, the difference between the two decimal numbers is 68.2. The first number is 797.4. Therefore, the second number is 797.4 - 68.2 = 729.2

Example: 3a

Kate traveled 626.25 km and Maya traveled 526.11 km. How much more did Kate travel than Maya?

Explanation:

In the above problem, the distance traveled by Kate is 626.25 km and by Maya is 526.11 km. Therefore, the difference in distance traveled by Kate and Maya is 626.25 - 526.11 = 100.14 km