Flour is sold in 5kg and 2kg packets. The 5kg packets cost $2.75 each and the 2kg packets cost $1.25 each. If I bought 67 kg flour and the total cost was $38.50, how many of each size did I buy?

-1/2 +2

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3030 ur welcome

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i think something is missing in your question because y-1=(x-12) would not pass through the point (-4,-3). because if you replace x by -4 your are supposed to find y=-3 which is not the case her. if you replace x by -4 you find =-15.

i assume the right equation is y-1=1/4*(x-12) because this one is passing through both your points (if you are interested to know how i found that out i can tell you).

in this equation if i replace x by -4 i find y=-3 and if i replace x by 12, i find y=1 so the line representing this equation is passing through those 2 points.

then the standard form of the equation is finding an expression of y in function of x

y-1=1/4*(x-12)

y=x/4-3+1

y=x/4-2

hope that .

do you confirm there was a mistake in the question?

jwjeh; hw; kjhekjhkjhwkejhkw

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