13-02-2018
Mathematics

contestada

Sam makes x dollars an hour. Every hour she loses 3 dollars in taxes. After five hours, she has 70 dollars in total. How much does she make per hour?

Respuesta :

13-02-2018

she makes $17 per hour
[tex]xy - 3y = 70 \\ 5(x) - 3(5) = 70 \\ 5x - 15 = 70 \\ 5 \times = 85 \\ x = 17[/tex]

Answer Link

Otras preguntas

The force per meter between the two wires on a jumper cable being used to start a stalled car is 0.225 N/m. What is the current (A) in the wires, given that the

I need the answer to the problem 50% of 49

What is a good way to make sure your ideas are accurate? O A. Believe your friend O B. Rely on your neighbor's opinions O C. Research the evidence O D. Listen t

As firms build databases that contain customer ______, marketing researchers must be careful not to abuse this collection, which may contain sensitive personal

Washington Enterprises issued bonds in 2000. Five years later, in 2005, the company issued additional debt which had a lower priority than the debentures issued

____________ often involves acts of omission (where parents or caregivers fail to provide adequate physical or emotional care for children) rather than acts of

Which of these is a solution to the equation 2( x – 5) = 9 – 3 x + 6 + 8 + 3 x + 7? x = 80 x = 20 x = 40 x = 10

Jack is a lawyer who is a member at Ocean Spray Country Club where he spends $7,200 in dues, $4,000 in business meals, and $2,000 in green fees to entertain cli

Predict how atmospheric carbon dioxide levels might change if more trees were planted on earth

A metal pot of water is put on a stove. The stove heats up and the water boils. The system consists of the stove, water, and the pot. Which of the following flo