Answer:
18
Step-by-step explanation:
Let the unknown number be = x
Then,
x + 16 = 34
=> x = 34 - 16
=> x = 18 (Ans)
Answer:
y = 13.50x + 20
y = 17x + 6
The cost is the same after 4 hours.
Step-by-step explanation:
I don't really know what to say except you just have to replace x with 4 and then work it normally from there.
Answer:
The twins would be 13 years old.
Step-by-step explanation:
21+21+21+13+13 = 89
The answer it’s 0 of x^3=27
Y= -1/2x - 4
hope this helps! :)