4x-30=180
180-30
4x=150
150/4
37.5
x=37.5
5000-850=
$4150 left to raise
$4150/83 students=
$50/student
Answer:
1 liter of water
Step-by-step explanation:
If 80 % is acid that's means 4 liters of the 5 is acid. (0.8 * 5)
The remaining amount is 1
Answer: -4
Step-by-step explanation: any positive number times a negative number is negative. 6x(-4) is -24.
