How many additional gallons of paint should he purchase. Given: Mr.

usagirl007A

usagirl007A

Answered question

2021-08-20

How many additional gallons of paint should he purchase.
Given: Mr. J used half gallon of paint to cover 84 square feet.

Answer & Explanation

tabuordg

tabuordg

Skilled2021-08-21Added 99 answers

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 length of cars we use the unitary method with the given scale and simplify further as shown below,
84 squarefeet can be paint with =12 gallon paint
1 squarefeet can be paint with =12×184 gallon paint
=1168 gallon paint
So
932 squarefeet can be paint with =1168×932 gallon paint
=5.55 gallon paint.
Thus, the additional gallons of paint should he purchase is 5.55 gallon paint.
Jeffrey Jordon

Jeffrey Jordon

Expert2021-12-20Added 2605 answers

Answer is given below (on video)

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