Answer:
Inequality :
Step-by-step explanation:
Let the unknown number be x
at most -70 = ≤ -70
Solving further :
The answer would be 18 minutes, because 12 divided by 2/3 is 18 which would be 18 minutes
If you're talking about the books in between, it will/be 20 books
Answer:
(10, 4, -3)
Step-by-step explanation:
z = -3
y + z = 1
y - 3 = 1
y = 4
x + y - z = 17
x + 4 - -3 = 17
x + 4 + 3 = 17
x + 7 = 17
x = 10
(10, 4, -3)