Answer:
x = 45
Step-by-step explanation:
5 (2x - 5) = 1/2 (18x + 40)
10x - 25 = 9x + 20
10x = 9x + 45
x = 45
Answer: x is 9, g is 41 and f is 6
Step-by-step explanation:
Answer:
x= 5 1/3
Step-by-step explanation:
l3x-5l=11
3x-5=11
+5 +5
3x=16
/3 /3
x=5 1/3
Answer:6km
Step-by-step explanation:
Given
when Alice finishes the race Becky is 8km From finishing line
and caitlin 12 km from finishing line.
Suppose t is the time require by Alice to finish the race
and
be the velocity of alice ,becky and caitlin
thus 
thus 
say t' is time required by beckey to complete 8 km thus

therefore for Caitlin

Thus caitlin will cover a distance of 6 km in t' time and 6 km away from finishing.
Difference means the answer to a subtraction problem, so you could do lots of different one, but if you cant think of one, us 18-9.