lolweapon
05.11.2020 •
Mathematics
I need help with this pls
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Ответ:
If you're looking for the value of x, x = 4.
Step-by-step explanation:
We can immediately see that 16/4 = 4, so the equation then becomes 4x + 4 = 20. We can subtract 4 from both sides of the equation and get the new equation of 4x = 16. Dividing 4 from both sides we get x = 4.
Ответ:
0.24x+0.5(100-x)=0.36(100)
solve
0.24x+50-0.5x=36
-0.26x+50=36
mminus 36 both sides
-0.26x=-14
divide both sides by -0.26
x=53.8462
find other one
100-x=100-53.8462=46.1538
53.8462 gallons of the 24%
46.1538 gallons of the 50%