Answer:
27 - 1.5x ≤ 36
54 - 3x ≤ 72
54 - 72 ≤3x
-18 ≤ 3x
-6 ≤ x
x ≥ -6
Step-by-step explanation: ''sorry if wrong''
Answer:
145
Step-by-step explanation:
y=kx
87=3k
k= 87/3
k= 29
y=29×5
y= 145
Yes...the person's hypothesis could be correct.
Answer:
17.9
Step-by-step explanation:
You could use PEMDAS but you don't really need to because this is just adding an subtracting.
