Sarah is 68 yrs old
1) Gathering the data from the question:
If 54 is 4 times the difference between Sarah's age (s) and 44, We can write:
54=4(S -54) Apply Distri
54 =4S- 216
54+216=4S
270=4s
s=270/4
s=67.5
2) If Sarah is older than 44 yrs old, than Sarah is (rounding up) 68 yrs old.