Concept explainers
How many additional gallons of paint should he purchase.
Answer to Problem 42PPS
Explanation of Solution
Given:
Mr. J used half gallon of paint to cover 84 square feet.
Concept Used:
Rules of Addition/ Subtraction:
- Two numbers with similar sign always get added and the resulting number will carry the similar sign.
- Two numbers with opposite signs always get subtracted and the resulting number will carry the sign of larger number.
Rules of Multiplication/ Division:
- The product/quotient of two similar sign numbers is always positive.
- The product/quotient of two numbers with opposite signs is always negative.
Calculation:
In order to find the number of gallons to paint needed to cover 932 more square feet, use the
Thus,the additional gallons of paint should he purchase is
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