Let her sisters age be x.
=>sister .....x
Sarah.
twice x=2x. then less than 5
=> (2x-5 )
if Sarah = 15 years
by substation, 2x-5=15
Answer:
the first blank is 100
the second is 80
Step-by-step explanation:
Answer:
x=0.129171
x=3.87083
Step-by-step explanation: