GWD-2-22

bella

Q22:

A construction company was paid a total of $500,000 for a construction project.  The company’s only costs for the project were for labor and materials.  Was the company’s profit for the project greater than $150,000?

(1)     The company’s total cost was three times its cost for materials.

(2)     The company’s profit was greater than its cost for labor.

A

bella

回复 2# accusr


    太感谢了，

accusr

p=500-c
c=l+m
(1) c=3m ; l=2m , 500-3m ????
(2) 500-3m>l ?????
(1+2) 500-3m>2m , 500>5m ,m<100
500-300 ( Max )=200 , 200>150.
Answer c