For each babysitting job, tamar charges $6 for bus fare plus $8 per hour. she only accepts babysitting jobs if the total charge is at least $30. what is the minimum number of hours for a babysitting job she would accept?

She would accept the job for 3 hours minimum.

Step-by-step explanation:

Let Tamar did the job for x hours,

Since, her charges for 1 hour = $ 8,

⇒  Her charge for x hours = 8x,

Also, the bus fare = $ 6,

hence, her total charge = Bus fare + Her charges for x hours

= 6 + 8x,

If the total charge is at least $30,

⇒ 6 + 8x ≥ 30

⇒ 8x ≥ 24

⇒ x ≥ 3

Thus, the minimum number of hours for a babysitting job she would accept = 3 hours.

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