Answer:
525
Explanation:
Add the available percent of stamps. 40% + 15%= 65%, a percent is over 100, so 65/100 of 1500 basically means 65/100 x 1500 which equals to 525.
15% plus 40% would be 65%. its just what is left of 100%. The answer is 35%
this is really easy. Try harder.
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