Alright, lets get started.
The ages of all four sisters will be = x, x+2, x+4, x+6
As per given in question, two times of youngest sister age exceeds the oldest sister age by 30 means

Simplifying the equation



So this is the age of youngest sister.
So, age of oldest sister will be 
Hene the age of oldest sister is 42 years. : Answer
Hope it will help :)
Answer:it’s B (120 succes and 80 failures for khan academy)
Step-by-step explanation: trust me
Answer:
0.46875 tons
Step-by-step explanation:
to find ounces to tons, you divide the mass by 32000
15000/32000=0.46875
I hope this helps!