Sharon can put up the fence in 7 hours Mary can put up the same fence in 6 hours.
The equation 1/7 + 1/6 = 1/x can be used for the
calculation of x, the time that it would take to put up the
fence if they were working on it together.
To eliminate the denominators, I multiply everything by
___X.
(I included the x; you do NOT include the x in your answer.

50 points! antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.