Answer:
14 personal training sessions
Step-by-step explanation:
when you add 45 to 20 7 times, you will get a total of 355, and the same can be said when you add 35 to 90 for a total of 7 times. So she would need 7 personal training sessions from each, making a total of 14 training sessions.
Hope this help, let me know if it was correct :D
