5n/4 = 1/5

How? I know the answer but don't know how it got there

The manager of a grocery store has taken a random sample of 100 customers. the average length of time it took these 100 customers to check out was 3.0 minutes. it is known that the standard deviation of the population of checkout times is one minute.

brian is building a wood frame around a window in his house. if the window is 4 feet by 5 feet, how much wood does he need for the frame?

1,537 multiplied by 242

Given f (x) = 2x^2-4x-5, find f (3)

A copy machine produces 105 copies in 7 minutes how many in 56 minutes

Will mark brainliest! A 3-pound piece of salami costs $14.99. A 12-ounce package of the same sliced salami costs $4.39. What is the difference in price per 4-ounce serving?

Giselle works as a carpenter and as a blacksmith. She earns $20 per hour as a carpenter and $25 per hour as a blacksmith. Last week, Giselle worked both jobs for a total of 30 hours, and earned a total of $690.

Which of the following represents three times answer minus 5?

Decide whether the relation defines a function. { (-3, - 2), (3, 6), (4, 6), (7, - 7), (10, - 1) } A. Function B. Not a function

Solve for x: 3x - 5 = 2x 6