Customers of a phone company can choose between two service plans for long distance calls. the first plan has a $28 monthly fee and charges an additional \$0.09 for each minute of calls. the second plan has no monthly fee but charges $0.13 for each minute of calls. for how many minutes of calls will the costs of the two plans be equal?

idk

step-by-step explanation:

idk

walter needs to make at least 5 more cookies but no more than 40. 5 ≤ x ≤ 40

step-by-step explanation:

20 ≤ x + 15 ≤ 55

subtract 15 from all parts

20-15 ≤ x + 15-15 ≤ 55-15

5 ≤ x ≤ 40

this means how many more cookies he has to make

walter needs to make at least 5 more cookies, but no more than 40 cookies; 5 ≤ x ≤ 40

idk

step-by-step explanation:

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step-by-step explanation:

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