PSLE
Saturday, November 6, 2010
Percentage P6
If Larry sells his toy at a discount of 20%, he can still make a gain of $150. If he sells it at a 45% discount, he will lose $325. How much did Larry pay for his toy?
80% --> 1 u + $150
55% --> 1 u - $325
80% - 55% --> 150 - (- 325)
25% --> 150 + 325 = $475
80% --> 80/25 x 475 = $1520
1520 - 150 = $1370
It was $1370.
1 comment:
Anonymous
December 26, 2010 at 10:48 PM
Please help!!!
Integrate √(x / 1 - 4x) dx
Reply
Delete
Replies
Reply
Add comment
Load more...
‹
›
Home
View web version
Please help!!!
ReplyDeleteIntegrate √(x / 1 - 4x) dx