Mrs. jackson purchased 5-pound package of ground beef for $12.40. she decided to use 8 ounces each day for dinner recipes. what was the cost of ground beef per meal?

$1.55

Step-by-step explanation:

Okay, we know that there are 16 ounces in one pound. Since Mrs. Jackson purchased 5 pounds, we need to multiply the amount of ounces in one pound by 5.

16 × 5 = 80

Now that is out of the way, we need to find out how many meals she could have by using 8 ounces of the meat each day.

80 × 8 = 10

Now we divide the amount of meals with the cost of the ground beef.

12.40 ÷ 8 = 1.55

It cost $1.55 for ground beef per meal

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-3

step-by-step explanation:

a drawing really does here:

so i draw the horizontal line y=2 and the vertical line x=-2 at this intersection i put b (this is where my right angle is going to be).   so point b is at (-2,2).   point a is 5 units long and is also on y=2 so this point has to be (3,2) or (-7,2) -doesn't matter i will go with (3,2).

now we know c is at (-2,y) we don't know the y yet bet we know that c is on x=-2.

we have the area of the triangle is .5bh=12.5

we know the base length is 5 (ab)

we have the height is (2-y) if you look at your

plug in

.5(5)(2-y)=12.5

solve for y to get the y-coordinate for c

2.5(2-y)=12.5

divide both sides by 2.5 giving:

2-y=5

now subtract 2 on both sides

-y=3

y=-3