Patricia had less than $9 to spend when she went to the grocery store. she bought 1 pound of tomatoes and wanted to spend the rest of her money on potatoes. one pound of tomatoes costs $2.40, and one pound of potatoes costs $2.20. write an inequality to show how many pounds of potatoes, x, patricia can buy.

2.40 + 2.20x < 9, Where x ≥ 0,

Step-by-step explanation:

Here x represents the number of pounds of potatoes bought by Patricia,

Since, one pound of potatoes costs $2.20,

⇒ x pounds of potatoes costs 2.20x dollars,

Now, except this she bought 1 pound of tomatoes which costs $2.40 per pounds,

Thus, her total spending,

S = 2.40 + 2.20x

It is given that she had less than $9 to spend,

⇒ S < 9

⇒ 2.40 + 2.20x < 9

Which is the required inequality.

Note : Number of pounds can not be negative,

⇒ x ≥ 0

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