Distance=speed times time
distance/time=speed
distance=30km
time=2.5hr
distance/time=30km/2.5hr=60km/5hr=12km/1hr=12km/hr
her speed is 12km per hour
Answer:
Option B
Step-by-step explanation:
Answer:
36 feet
Step-by-step explanation:
12inches =1 yard
Answer:
$ 24.15
Step-by-step explanation:
100%= $21
(100+15)% =115% ×$21
(115/100)*21= 24.15$
I think it would be easier to understand when u see a problem worked out, prime factorization of 18:
18
/\
6X3
/\
3X2
so the prime factorization is 2X3X3
hope that was helpful! :D