You sell tickets for admission to your school play and collect a total of $104. admission prices are $6 for adults and $4 for children. you sold 21 tickets. how many adult tickets and how many children tickets did you sell?

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

Ineed to know the answer to this algebra question.

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?