Try another version of this question Mackenzie rides her bicycle for `4` hours and is `14` miles from her house. After riding for `9` hours, she is `29` miles away. Assuming Mackenzie is riding directly away from her house, what is her average rate during the second leg of her trip?
miles per hour Get help: Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity `3`