From beginner to expert, IDNLearn.com has answers for everyone. Get comprehensive answers to all your questions from our network of experienced experts.
Answer:
20 km
Step-by-step explanation:
if 15 percent is equal 3
then 5 percent is equal 1
if 15 * 6 = 90
and 10 percent equal 2
then 90 percent + 10 percent = 100 percent
6*3=18
18+2=20
so she needs to run 20 km for her long distance race .