1/4 = 5/20
2/5 = 8/20
8/20 + 5/20 = 13/20 has been spent
Step-by-step explanation:
the circumference of a wheel is one revolution
so
formula: circumference=π*diameter
D=26cm (13*2 to find the whole length from one end to other)
so you'll do 3.14*26 equals 81.64
one revolution=81.64
30 revolutions=2,448.3 inches (times by 30 with 81.64)
Answer:
x=9 :)
Step-by-step explanation:
