Use the commutative and associative properties as needed to simplify the expression.(16+a)+15
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Given problem;
Number of quarters in $40;
To solve this problem;
- <u>Convert the dollar value to cents</u>;
100cents = $1
In $40, we would have; 40 x 100 = 4000cents
- 1 quarter = 25 cents
So, divide 4000cents by 25 to obtain the number of quarters in that amount of dollars;
Number of quarters = = 160
So there are 160 quarters in $40