188
4x11 + 5 x 28 + 4
44 + 140 + 4
188
J stands for Jon, A stands for Angelica, and C stands for Chaya.
J = C - 3
A = C + 4
C = A - 4
= 196 h
62 + 65 + 69 = 196
Jon worked 62 hours, Chaya worked 65 hours, and Angelica worked 69 hours.
And that's your answer! ^ I hope this helped you! c:
The discriminant of the equation
is 76.
I hope that helps.
I believe its B. Stratified because the owner had to speak to ten individuals, meaning he divided it into smaller groups.
