**Weegy:** Your employer has 600 business cards printed for you, and you give away 280 of them. Percentage of card left = 600-280/600 *100 =320/600 *100 =53.33%.

**User:** what is the sum of 1/9, 2/3, and 5,18

**Weegy:** 1/9 + 2/3 + 5/18 = 2/18 + 12/18 + 5/18 = 19/18 = 1 1/18.

**User:** if 28% of a sum is $100.80 what is the sum

**Weegy:** If 28% of a sum is $100.80, the sum is $360.
$360.00*0.28= 100.80

**User:** what is 20x6

**Weegy:** 20 * 6 = 120

**User:** 1 2/3 as an improper fraction

**Weegy:** 1 2/3 = 1+2/3 = (3+2)/3 =5/3
Thus, 1 2/3 as an improper fraction is 5/3 .

**User:** find the amount of the discount on a $234 item with a discount of %15

**Weegy:** The amount of the discount on a $234 item with a discount of 15% is $35.10.
Solution:
234 x 0.15 = 35.10.

**User:** The ammoun $180.00 is what percent greater that $135.00

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