Alley bought 1 pound of potatoes costing $4 from a local grocery store last week. Her final bill included an additional sales tax 8%. The next week alley found that the price for a pound of potatoes had gone up to $6. What is the percentage increase in the cost of a pound of potatoes, including the sales tax?

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saliletilyn1 saliletilyn1

03-05-2017
Mathematics

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Alley bought 1 pound of potatoes costing $4 from a local grocery store last week. Her final bill included an additional sales tax 8%. The next week alley found that the price for a pound of potatoes had gone up to $6. What is the percentage increase in the cost of a pound of potatoes, including the sales tax?

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sharonglass77 sharonglass77 · Answer 1 · 2017-05-03T02:11:44+02:00

sharonglass77 sharonglass77

03-05-2017

$6.00 X 8% $6.48

this is the answer. hope this helps

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JeanaShupp JeanaShupp · Answer 2 · 2019-02-28T06:24:14+01:00

Answer: 54%

Step-by-step explanation:

Given: The cost of 1 pound of potato in a local grocery store last week= $4

The cost of 1 pound of potato in a local grocery store last week after 8 % tax= $4+8% of $4

[tex]=4+0.08\times4=4+0.32=\$4.32[/tex]

The cost of 1 pound of potato in a local grocery store next week= $6

The cost of 1 pound of potato in a local grocery store next week after 8 % tax= $6+8% of $6

[tex]=6+0.08\times6=6+0.48=\$6.48[/tex]

The percentage increase in the cost of a pound of potatoes, including the sales tax will be given by :-

[tex]P=\frac{\text{ increase in cost}}{\text{cost last week}}\times100\\\\\Rioghtarrow\ P=\frac{6.48-4.32}{4}\times100\\\\\Rightarrow\ P=\frac{2.16}{4}\times100\\\\\Rightarrow\ P=54\%[/tex]