Riley just opened a checking account at the bank. within the first month, she deposited three checks for $34.98, $51.02, and $51.22. she withdrew $5.23 for new pencils, $10.22 for earbuds, and $7.89 for movies from her account in the same month. (a) write riley’s withdrawals as negative rational numbers and her deposits as positive rational numbers. (b) order the rational numbers from least to greatest and explain your reasoning. (c) at the beginning of the month riley’s balance was $128. what was her balance at the end of the month after all of her deposits and withdrawals? show your work, no credit will be given for just an answer.

(a)Write Riley’s withdrawals as negative rational numbers and her deposits as positive rational numbers.

deposited: + $34.98

                  + $51.02

                  + $51.22

withdrew:  - $5.23

                 -  $10.22

                  - $7.89

(b)Order the rational numbers from least to greatest and explain your reasoning.

     -  $10.22 ,   - $7.89 , - $5.23 , + $34.98, + $51.02,  + $51.22

Negative numbers are always less than positive numbers. The largest negative numbers are the lowest values.

(c)At the beginning of the month Riley’s balance was $128. What was her balance at the end of the month after all of her deposits and withdrawals? Show your work, no credit will be given for just an answer.

Beginning balance: $128

Deposited: + $34.98 + $51.02 + $51.22  = + $137.22

Withdrew:   - $5.23 -  $10.22 - $7.89 = -$23.34

Balance:

$128 + $137.22 -$23.34 = $241.88

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