Question 342206
Let A be the amount of the 10% cashew mixture, B the amount of the 100% cashew mixture.
1.{{{A+B=6}}}
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{{{10A+100B=25(6)}}}
{{{10A+100B=150}}}
2.{{{A+10B=15}}}
Subtract eq. 1 from eq. 2,
{{{A+10B-A-B=15-6}}}
{{{9B=9}}}
{{{highlight(B=1)}}}
Then from eq. 1,
{{{A+1=6}}}
{{{highlight(A=5)}}}
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You need 5 kg of the 10% mixture and 1 kg of 100% mixture.