The quotient of 75 divided by 4 is 18.75, or 18 
Brody shops at three different grocery stores. He uses the ads to determine where to buy certain items. The table shows the cost
of a brand of peanut butter at each store.
Question 1
Part A
What is the cost per ounce of peanut butter at each grocery store?
The Corner Store $____ per ounce
Minnie's Market $___ per ounce
Food Now! $___ per ounce
Question 1
Part A
What is the cost per ounce of peanut butter at each grocery store?
The Corner Store $____ per ounce
Minnie's Market $___ per ounce
Food Now! $___ per ounce
1 answer:
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Answer:
D. (10, 15)
Step-by-step explanation:
Hi there!
We are given the following system:
+y=20
x+4y=70
And we want to solve it (find the values of x and y).
Let's use substitution for this problem, where we will isolate one variable on one side, while the other side contains an expression with the other variable. Then, we use the expression to solve for the variable that the expression contains, then use the value of that variable to solve for the aforementioned isolated variable.
Subtract from both sides in the first equation
y=20-
Now substitute 20- as y in x+4y=70
x+4(20-)=70
Do the distributive property
x+80-2x=70
Combine like terms on the left
-x+80=70
Subtract 80 from both sides
-x=-10
Multiply both sides by -1
x=10
We found the value of x. Now let's use that value to find what y is
Since we know that y=20- and x=10, we can substitute 10 as the value of x to solve for y
In that case,
y=20-(10)
Multiply
y=20-5
Subtract
y=15
The answer is x=10, y=15, or as a point, <u>(10, 15), aka D</u>
Hope this helps!