joanne makes a mixture of dried fruits by mixing dried apples costing $6.00/kg with dried apricots costing $8.00/kg. how many kilograms of each are needed to make 20 kg of a mixture worth $7.20/kg?
2007-02-14 17:01:16 · 4 answers · asked by Anonymous in Education & Reference ➔ Homework Help
consider: dried apple=x kg : dried apricots= y kg
so: 6x+8y=7.2*20 and x+y=20
then: x=8; y=12
answer: dried apple: 8kg; dried apricots: 12kg
2007-02-14 20:03:21 · answer #1 · answered by Imran Syah 3 · 0⤊ 0⤋
Math is only obtained by working out. So just take 5 mins off and visit this link and I swear you'll never have problems with MIXTURES ans ALLIGATIONS.
http://www.algebralab.org/Word/Word.aspx?file=Algebra_Mixtures.xml
The answer is 8 apples and 12 apricots by the way.
2007-02-15 01:34:52 · answer #2 · answered by Josh 3 · 0⤊ 0⤋
consider: dried apple=x kg : dried apricots= y kg
so: 6x+8y=7.2*20 and x+y=20
then: x=8; y=12
answer: dried apple: 8kg; dried apricots: 12kg
2007-02-15 01:17:18 · answer #3 · answered by Shanghai Amanda 2 · 0⤊ 0⤋
1.25 of each =7.00 so that,s a start you need to find out the rest on your own because i only know this much sarry.
2007-02-15 01:08:27 · answer #4 · answered by i,m here if you need to talk. 6 · 0⤊ 0⤋