Answer: 1, 800m
Step-by-step explanation:
Answer:
18 students in the class are girls
Answer:
12.
Step-by-step explanation:
to find the permiter of a rectangle you add the lengths of the rectangles four sides .
Let x=gallons of 80% solution to be mixed
x+80=gallons go final 70% mixture
..
80%*x+30%*80=70%*(x+80)
.8x+24=.7x+56
.1x=32
x=320
gallons of 80% solution to be mixed=320
