Alinear cost function is c(x) = 4x + 300.what is the cost of producing one more item if 50 are currently being produced?

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.