Question

英文数学题，请大家帮忙，谢谢！

Ten gallons of a 12% salt solution are mixed with eight gallons of an 80% salt solution . what is the totals amount of solution? how much salt is in the mixture ？what is the percentage of salt in the mixture?请写出步骤！谢谢！

Answer 1

1. 10+8=18

2. 10×12%+8×80%=7.6

3. 7.6÷18×100%=42.22%
   

Answer 2

10＋8＝18gallons
3．785×（10×12％＋8×80％）＝28．766kg
（10×12％＋8×80％）÷18＝42．22％

Answer 3

amount of solution : 10+8=18 gallons
salt in mixture: 10*12%+8*80%=7.6gallons
percentage of salt in mix solution:7.6/18=42.23%

Answer 4

1 10+8=18 (gallons)
2 10X12%+8X80%=1.2+6.4=7.6
3 7.6÷18=42.2%

Answer 5

我能确定的是，the amount is eighteen gallons.