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October 21, 2014

October 21, 2014

Posted by **Kim** on Tuesday, March 18, 2008 at 12:17pm.

Jean deposited a check for $625, wrote two for $68.74 and $29.95 and used her debit card to pay for a purchase of $57.65. How has her account balance changed?

Answer: $468.66

- Math -
**Ms. Sue**, Tuesday, March 18, 2008 at 12:23pmYep! I get the same answer. She spent $156.34 so her balance is now $468.66.

- Math -
**Kim**, Wednesday, March 19, 2008 at 6:17pmplease double check my answer please

Real Numbers and Order

3/7, -6/7,1/7, -1/2, 2/7

Answer: -6/7, -1/2, 1/7, 2/7, 3/7

|4| + |3|

Answer: 7

|-9| - |4|

Answer: 5

Adding Real Numbers

7+ (-9) + (-5) + 6

Answer: 17

|-27 + 14|

Answer: 13

Subtracting Real Numbers

–1/2 – (-5/8)

Answer: 2

–3.4 – (-7.6)

Answer: -4.2

–54 – 119

Answer: 65

Multiplying Real Numbers

(-3)(-6) + (4) (-2)

Answer: -10

80. (-3)3power – (-8)(-2)

Answer: 11

82. (-6)2power - 4 2power

Answer: 20

88. -9 2power - (-6)2power

Answer: -117

Dividing Real Numbers

(-9)(5)/3

Answer: 15

4 – (-3) +1 / 2 –2 / (-2)

Answer: 2

16 / (-2) * (-4) / 2 3power + 4

Answer: 6

- Math -

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