I dont understand plz help Roger gets \$40$40dollar sign, 40 per day as wages and \$4.50$4.50dollar sign, 4, point, 50 as commission for every pair of shoes he sells in a day. His daily earnings goal is \$112$112dollar sign, 112.
Write an equation to determine how many pairs of shoes, ppp, Roger must sell in a day to meet his daily earnings goal.
Find the number of pairs of shoes he must sell to meet his daily earnings goal.
pairs of shoes

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.

Aiko jumped rope for 20 min and stopped at 8: 05 when did she start

More challenges: 1) factor out the indicated quantity.8mn² + 7mn - m : factor out the quantity -m2) factor the polynomial by grouping.2vw + 7cv + 14cw + 49c²3) factor completely using the difference of squares along with factoring by grouping.25v³ - 25v² - 4v + 44) factor the sum of cubes. 125x³ + 645) q³ + 27r³6) factor completely. use difference of squares.729p^6 - 6^67) solve the equation(7x + 4)(9x - 1) = 08) a. find the values of x for which f (x) = 0b. find f (0)f (x) = x² + 2x - 489) find the x and y-intercepts for the function defined by y = f (x)f (x) = (x + 3)(x + 4)(x - 1)²10) factor the trinomial completely by using any method. remember to look for a common factor first. 3v² - 2v - 16