Mindy, Daisy, Araceli and Leigh worked together on a job. The job paid $220. Each person was paid according to the amount of work they contributed to the job. Daisy and Araceli earned $280 together. Daisy and Mindy have $260, and Daisy and Leigh got $220. What percent of the job did each person do

Answer 1

M+D+A+L = 4(220) = 880 (#1)
D+A = 280 ---> A = 280-D
D+M = 260 ---> M = 260-D
D+L = 220 ---> L = 220-D

in #1
260-D + D + 280-D + 220-D = 880
-2D = 120
D = -60
which makes no sense!

but.... let's keep going
then
A = 280-(-60) = 340
D = -60
M = 260-(-60) = 320
L = 220-(-60) = 280

check: 340 - 60 + 320 + 280 = indeed 880

But you can't earn negative dollars

bogus question!!!!

Answer 2

tank you very much