Answer:
y=50 x=80
Step-by-step explanation:
z(3rd spot)=y=50
x=180-2*50=80
Answer: 13=5x-2
Step-by-step explanation:
This means that two is reduced from five times the number x.
Answer:
210 Km
Step-by-step explanation:
Distance travelled is calculated as
distance = speed × time ( time is in hours )
= 90 × 2 
= 90 × 
= 30 × 7
= 210 Km