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3 years ago

5

Desiree went to the store to buy potatoes. She noticed a sign that said that she could get 3 for $1.05. How much would it cost h

er to buy 8 potatoes?

2 answers:

Nutka1998 [239]3 years ago

5 0

Answer:

$2.35

Step-by-step explanation:

you would add the 1.05 three times and then divide the answer by 3.and then you would get 2.35

iren [92.7K]3 years ago

3 0

Answer:

$2.80

Step-by-step explanation:

1.05/3 =0.35 price per unit

0.35*8

$2.80

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malfutka [58]

$k:y=m_1x+b_1;\ l:y=m_2x+b_2\\\\k\ \perp\ l\iff m_1\cdot m_2=-1\\\\k\ ||\ l\iff m_1=m_2$

$k:x+4y=10\ \ \ |-x\\\\4y=-x+10\ \ \ \ |:4\\\\y=-\dfrac{1}{4}x+\dfrac{10}{4}\to m_1=-\dfrac{1}{4}\\\\l:3x-2y=5\ \ \ \ |-3x\\\\-2y=-3x+5\ \ \ \ |:(-2)\\\\y=\dfrac{3}{2}x-\dfrac{5}{2}\to m_2=\dfrac{3}{2}$

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