Murphy loves pistachio nuts. every saturday morning, she walks to the market and buys some. last week, she bought two pounds and paid $7.96, and this week she bought only one-half pound and paid $1.99. what the unit rate for pistachio nuts?

step-by-step explanation:

if y=4x then you will substitute 4x in for y in the second equation.

8x + 4x = 18 combine like terms

12x = 18 divide by 12 on both sides

x = 18/12 or 3/2

now replace x in the first equation with 3/2 to get

y = 4 3/2

y = 6

the answer is a

(3/2,6)

hope that .

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165.75 years

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step-by-step explanation:

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