Answer:
-69
Step-by-step explanation:
k(-5) = 10*-5 -19
= -50-19
=-69
Subtract 4, subtract 2x, then divide by -2
Answer:
x>-4
Step-by-step explanation:
-3x<12
x>-4
5x + 10y = 800
y = 50
10y = 10*50 = 500
800 - 500 = 300
300/5 = 60
x = 60
5(60) + 10(50) = 800
60 small vehicles were washed in total