Jesse S.
asked 09/05/19
Zach is 103 years old. Amanda is 43 years old. How many years ago was Zach's age 4 times Amanda's age?
103 - x = 4 * (43 - x)
103 - x = 172 - 4x
4x - x = 172 - 103
3x = 69
x = 23
Still looking for help? Get the right answer, fast.
OR
Find an Online Tutor Now
Choose an expert and meet online.
No packages or subscriptions, pay only for the time you need.