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