Basic Pay = $40
Commission for 1 pair of shoes = $4.50
Let x be the number of shoes he needs to sell.
40 + 4.5x ≥ 112
4.5x ≥ 72
x ≥ 16
Answer: He must sell at least 16 pairs of shoes.
Answer:5 + /- sqrt35
Step-by-step explanation:
Rearranging, we get x^2 -10x -10=0
Applying the quadratic formula,
(10 +/- sqrt(10^2 -4*-10))/2
(10+/- 2sqrt35) /2 = 5 + /- sqrt35 as the two roots.
Elga's age is 50, and Alvin's age is 56. So, the sum of their ages is 106.
5,6,7,8,9,10,11,12,13,14,1,16,17,18,19,20,21,22,223,24,25,26,2728,29,30,31,32,33,34,35,.....