Answer:
Step-by-step explanation:
By using the process of elimination you can immediately disclose C and D as being incorrect.
35+85=120
180-85= 95
95=35+x
95-35=60
60-10=50
I think that is the right answer, but I am may be wrong. I hope it helps! : )
Answer:
screw this question
Step-by-step explanation:
To change from 15% to 25% he needs to add 10%.
If the solution is 50ml then he needs to add 10% which is 5ml... But if he adds 5 ml then the solution will be 55ml total, so that doesn't make sense. He has to take some of the solution that's not acid before adding the 5ml...
Answer:
:)
Step-by-step explanation:
15x=300
x will equal 20
20x=300
x will equal 15
I think the answer its 1.8 percent because if you subtract 15-13.2 comes out to be 1.8.
Answer:
5-(-3y+3z)-3(-5z-y) = 6y+12z+5
Step-by-step explanation:
5−(−3y+3z)−3(−5z−y)
Distribute:
=5+3y+−3z+(−3)(−5z)+(−3)(−y)
=5+3y+−3z+15z+3y
Combine Like Terms:
=5+3y+−3z+15z+3y
=(3y+3y)+(−3z+15z)+(5)
=6y+12z+5
