2(x-1)=42
2x-2=42
2x=44
X=22
The unit rate is 5cm per 1min
5:1
Answer:
3.6 and 1.2
Or
-3.6 and -1.2
Step-by-step explanation:
Let x and y be the two numbers
xy = 4.32
x/y = 3
x = 3y
3y² = 4.32
y² = 1.44
y = +/- 1.2
x = +/- 3.6
Add -15.9 to both sides so it’ll look like 3.7x=18.87
The answer should be 9x+y