Posted by BOBBIE on Tuesday, September 18, 2012 at 10:56am.
x at 3%
4000-x at 3.5%
.035(4000-x) = .03x + 94.50
x = 700
so, $700 at 3%, $3300 at 3.5%
check: .03*700 = 21.00
.035*3300 = 115.50 = 21.00+94.50
ali's father gave him Rs. 245 for buying stamps. he brought stamps of Rs. 5, Rs. 10 and Rs. 15. the n of the stamps of RS. 5 and Rs. 15 were 2:3 and 1:5 of the no. of Rs. 10 stamps, find the no of each type of stamps he got.
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