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Mathematics 7 Online
maths89898:

A farmer has decided to divide his land area in half in order to plant soy and corn. Calculate the area of the entire area so he knows how much soil is needed. A parallelogram with a height of 6 yards and side length 9 yards. The height forms a triangle with the slanted side of the rhombus with a base of 2.5 yards. Rhombus is split into a soy half and a corn half. Each bag of soil covers 20 square yards. How many bags should the farmer purchase?

maths89898:

1 attachment
minustempo:

Do you know the area of a parallelogram?

maths89898:

base height

minustempo:

yep so can you figure out the area since you have both the base and the height?

maths89898:

I'm not sure ab this question

maths89898:

Am I supposed to multiply all of these?

minustempo:

the base is equal to the sum of the bases of the two triangles 2.5+6.5

maths89898:

So that'd be 9

minustempo:

yes

minustempo:

and the height is 6

maths89898:

So we multiply that?

maths89898:

Well that wouldnt make sense actually

maths89898:

It'd be way too much

minustempo:

what do you mean?

maths89898:

Well if you multiply those together

maths89898:

You'd get something over 4

maths89898:

And the answer choices are 1-4 bags

minustempo:

well the question doesn't ask for area, it asks for number of bags

minustempo:

6*9 is the area

maths89898:

54

minustempo:

yes each bag fills 20 square yards so how many bags are needed?

maths89898:

Two right?

maths89898:

Because that'd be 40

minustempo:

but that would fill less than needed

maths89898:

Oh so it can be over 54?

maths89898:

20x3=60

minustempo:

yes you want it at least 54

maths89898:

So that'd be just enough

minustempo:

yep

maths89898:

Oh tysm!

minustempo:

you're welcome

maths89898:

Can you answer one last question after this one?

minustempo:

sure thing

maths89898:

Okay let me make a new question!

minustempo:

okay

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