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2 years ago

To the nearest penny, what is the price of 3.2 pounds of ham that costs $2.99 per pound?

2 answers:

Nutka1998 [239]2 years ago

7 0

$\begin{array}{ccll} Lbs&\$\\ \cline{1-2} 1&2.99\\ 3.2&x \end{array}\implies \cfrac{1}{3.2}=\cfrac{2.99}{x}\implies x = (3.2)(2.99)\implies \stackrel{\textit{rounded up}}{x = 9.57}$

vichka [17]2 years ago

3 0

$9.56

Explanation:

3 pounds of ham is going to cost $8.97.
To get the 1/5 pound price, multiply the cost of a pound of ham by 1/5 (0.2 in this case) to get $0.568. The final step is to just add the prices together.

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Answer:

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Step-by-step explanation:

Cups = c

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Now use algebra to have the 30c be on one side and the rest on the other:

36p + 30c = 142.80 | -36p

30c = 142.80 - 36p

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30c = 140.00 - 35p

Now set them equal to each other about the 30c:

142.80 - 36p = 140.00 - 35p

Use algebra to solve for p:

142.80 - 36p = 140.00 - 35p | +36p

142.80 = 140.00 + p | - 140

2.80 = p

Go back to one of the "30c" equations and plug in the value for p:

30c = 140 - 35p

30c = 140 - 35(2.80)

30c = 140 - 98

30c = 42 | /30

c = 42/30

c = 1.4

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3 years ago

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2 years ago

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3 years ago

To the nearest penny, what is the price of 3.2 pounds of ham that costs $2.99 per pound?​

To the nearest penny, what is the price of 3.2 pounds of ham that costs $2.99 per pound?