Answer:
see below
Step-by-step explanation:
amount of water w
l liter of pure alcohol = 100% alcohol
solution is 45 % percent alcohol
total amount of fluid is w+l
(w+l)( .45) = l*.100
Distribute
.45w + .45 l = 1l
.45 w = 1l - .45l
.45 w = .55l
w = .55l / .45
w =11/9 l
Answer: B) 18° C
Step-by-step explanation:
21+(-3) = 21 - 3
= 18
Answer:
0.162
Step-by-step explanation:
(12+13)/154
25/154
0.162
Answer:
PUSHIN
Step-by-step explanation:
It would be .75x=25-13
So .75x=12
x=16 because .75×16=12