For this case we propose a system of equations:
x: Let the variable representing the quantity of Granny Smith apples
y: Let the variable representing the number of Gala apples
According to the statement we have:

From the first equation we have to:

replacing in the second equation:

So, Carl bought 7 Gala apples
On the other hand:

So, Carl bought 12 Granny Smith apples
Answer:
Carl bought 7 Gala apples and 12 Granny Smith apples
Answer:
Jhon
Step-by-step explanation:
At the rate of 4 minutes per problem, it take Juaqine ...
(4 min/prob)×(6 prob) = 24 min
to solve the problems.
That is more time than it takes Jhon, so Jhon is faster.
9 sq. in because each side is 3 inch and area is length x width. each side is e inch so 3x3=9 sq in.
Answer
The answer and procedures of the exercise are attached in the following archives.
Step-by-step explanation:
You will find the procedures, formulas or necessary explanations in the archive attached below. If you have any question ask and I will aclare your doubts kindly.
Answer: 5.4
Step-by-step explanation: