SOLUTION: How many kgs. of tomato costing $1.20 per kg must be mixed with 12 kg of potato costing $ 0.90 per kg so that 50% gain may be obtained by selling the mixture at $1.10 per kg?
Algebra.Com
Question 903699: How many kgs. of tomato costing $1.20 per kg must be mixed with 12 kg of potato costing $ 0.90 per kg so that 50% gain may be obtained by selling the mixture at $1.10 per kg?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
1.20*x+0.90*12=1.10(12+x)
1.2*x+10.8=13.2+1.1x
1.2x-1.1x=13.2-10.8
0.1x=2.4
x=24 kg of $1.20 is added to 12 kg of $.90 to get 36 kg at $1.10
check
1.2*24+0.9*12=1.1(12+24)
28.8+10.8=1.1(36)
39.6=39.6
ok
RELATED QUESTIONS
how many kg of wheat costing rs 10 per kg must be mixed with 36 kg rice costing Rs 6 per... (answered by Fombitz)
Nuts costing $9 per kg are to be mixed with nuts costing $6.5 per kg to make 10 kg of... (answered by jim_thompson5910)
in what ratio must tea costing P24 per kg be mixed with tea costing P34 per kg so that a... (answered by josgarithmetic)
In what ratio must a peanut costing $5.71 per kg be mixed with a peanut costing
$ 8.5... (answered by josgarithmetic)
how many kgs of tea at ₹13per kg must be mixed with 100 kg of tea at ₹17.50 per kg,so (answered by Boreal)
Determine the approximate amount of wheat W1 costing Rs. 4.70 that must be mixed with 28... (answered by addingup)
A merchant blends 350 kg of tea costing ksh. 84 per kg with 140 kg of tea costing ksh.... (answered by josgarithmetic)
Bill makes a mixed of dried fruits by mixing dried apples costing $6/kg with dried... (answered by richwmiller)
In what ratio must tomato at $1.50 per kg be mixed with tomato at $2 per kg so that the... (answered by checkley77)