Answer:
13 cm
Step-by-step explanation:
Using the Pythagoras therorem
We get the answer as
Root of (12squared +5squared)
Root of (144+25)
Root of 169
=>13 cm
Every 18 miles he uses 3 gallons
divide this:
18 ÷ 3 = 6 miles per gallon
30 miles = 30 ÷ 6 = 5 gallons
7 gallons = 7 x 6 = 42 miles
48 miles = 48 ÷ 6 = 8 gallons
10 gallons = 10 x 6 = 60 miles
Hope this helps :D
Answer: 30
