Answer:
y 9 5 473648
Step-by-step explanation:
we have

<u>Find the greatest common factor GCF</u>
we know that

so
The GCF is equal to 
therefore

<u>the answer is</u>
The number is 
Answer:
Step-by-step explanation:
It would be 40-70 miles per hr for the car.
:)
Let
be the number of liters of the 10% solution she needs to use. She'd end up with a 6% solution with a volume of
liters. The starting solution contains 0.04*9 = 0.36 liter of salt. Each liter of the 10% solution contributes 0.1 liter of salt, so that

Solve for
:



so Mayra needs to add 4.5 liters of the 10% solution.