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3 years ago

If nuts cost $9.20 per pound how much will 2 1/4 pounds cost

Mathematics

1 answer:

bekas [8.4K]3 years ago

4 0

Answer:

$20.70

Step-by-step explanation:

One lb of nuts costs $9.20. You are buying 2 1/4 pounds, or 2.25 lbs.

To solve, multiply the unit price with the unit rate:

9.20 x 2.25 = 20.70

$20.70 would be the total cost.

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Answer:

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→ Other values of x;

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5
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Step-by-step explanation:

» Take points (1, -2) and (3, -12) from the table.

☑ General equation of a line is y = mx + c

m is the slope
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✍ For slope, m :

${ \tt{slope = \frac{ - 12 - 2}{3 - 1} }} \\ \\ { \tt{slope = \frac{ - 14}{2} }} \\ \\ { \tt{m = - 7}}$

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${ \tt{y = mx + c}}$

» Taking point (1, -2):

${ \tt{ - 2 = (1 \times - 7) + c}} \\ { \tt{c = - 2 + 7}} \\ { \tt{c = 5}}$

${ \boxed{ \tt{y = - 7x + 5}}}$

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