Answer:
7
Step-by-step explanation:
Answer: 10 packets
Step-by-step explanation:
There is 4 quarts needed to make 1 gallon
20 quarts for 5 gallons
1 packet=2 quarts
10 packets=20 quarts
Answer:
The oldest age of Olivia’s sister can be 11 years.
Step-by-step explanation:
Given: Olivia’s sister’s age is x years.
To write: inequality that can be used to represent the given situation.
As Olivia is 6 years older than her sister,
Olivia's age 
As the sum of their ages is no more than 28 years,

So, the oldest age of Olivia’s sister can be 11 years.
J-10=35
add 10 to both sides of the equal sign to isolate j
j=45