LESSON 2: Adding and Subtracting Decimals Jody bought a kilogram of sugar for Php 52.50, a bottle of vinegar for Php 15.25, and a sachet of shampoo for Php 5.50. If Jody paid Php 100.00 how much was her change? We can use the block model approach to solve the problem Php 100.00 ? Php 52.50 Php 15.25 Php5.50
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Answer:
TO ADD OR SUBTRACT DECIMALS:
• Line up the decimal points vertically. Fill in any 0's where necessary.
• Add or subtract the numbers as if they were whole numbers.
• Place the decimal point in the sum or difference so that it lines up vertically with the numbers being added or subtracted.
Problem: How much was Jody's change?
Given:
Php52.50 kilogram of sugar
Php15.25 bottle of vinegar
Php5.50 sachet of shampoo
Solution:
ADDING DECIMALS
52.50
+ 15.25
5.50
------------
73.25
SUBTRACTING DECIMALS
100.00
- 73.25
-------------
26.75
Therefore, Jody's change was Php26.75.
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Answer:
Php 26.75 will be her change
Step-by-step explanation:
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