Solve the problem.Robin is having her yard landscaped. She obtained an estimate from two landscaping companies. Company A gave an estimate of $210 for materials and equipment rental plus $60 per hour for labor. Company B gave and estimate of $270 for materials and equipment rental plus $45 per hour for labor. Create a cost equation for each company where y is the total cost of the landscaping and x is the number of hours of labor. Determine how many hours of labor will be required for the two companies to cost the same.

A. 8 hr
B. 3 hr
C. 7 hr
D. 4 hr


Answer: D

Mathematics

You might also like to view...

Find the derivative of the function.y = 6 sec2x

A. 12 tan x sec2x B. 12 sec1x C. 12 tan2x sec2 x D. 12 tan2x sec1x

Mathematics

Solve the problem.Given A =   and B =  , find AB and BA.

A.
AB =  ; BA = 
B.
AB =  ; BA = 
C.
AB =  ; BA = 
D.
AB =  ; BA = 

Mathematics

Simplify the expression. If necessary, express the result that is not a rational number as a decimal rounded to two decimal places. +  

A. 13
B. 11
C. 85
D.

Mathematics

Find the reciprocal.

A.
B.
C.
D.

Mathematics