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Chapter 1: Q4. (page 19)

Carolyn has 9 quarters, 4 dimes, 7 nickels and 2 pennies, which can be represented as in below:

9(25)+4(10)+7(5)+2

Evaluate the above expression to find how much money she has. Name the property used in each step:

Short Answer

Expert verified

The value of the expression is: .5(14鈭�5)+6(3+7)=302

Step by step solution

01

– Given information.

Given expression is:

925+410+75+2

02

– Write the concept.

The substitution property for multiplication, addition and subtraction is:

a鈰�b=ca卤b=c

03

– Evaluate the expression.

The expression925+410+75+2 can be solved in below:

925+410+75+2=225+40+35+2鈥夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌�厂耻产蝉迟颈迟耻迟颈辞苍鈥夆赌塒谤辞辫别谤迟测=225+40+35+2鈥夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌�厂耻产蝉迟颈迟耻迟颈辞苍鈥夆赌塒谤辞辫别谤迟测=265+37鈥夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌�厂耻产蝉迟颈迟耻迟颈辞苍鈥夆赌塒谤辞辫别谤迟测=302鈥夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌�厂耻产蝉迟颈迟耻迟颈辞苍鈥夆赌塒谤辞辫别谤迟测

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