SOLUTION: A plumber uses this formula to find the cost (�c)when he is called out for an emergency: c= 30h 45 where h is the number of hours the job takes Work out the cost if the job takes:

SOLUTION: A plumber uses this formula to find the cost (�c)when he is called out for an emergency: c= 30h 45 where h is the number of hours the job takes Work out the cost if the job takes:

Algebra.Com

Question 1013425: A plumber uses this formula to find the cost (�c)when he is called out for an emergency: c= 30h 45 where h is the number of hours the job takes Work out the cost if the job takes: 2 hours
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
I'm thinking you meant c = 30h + 45
Thus, if he works for two hours, then the charge would be
c = (30)(2) + 45 = 105 pounds
RELATED QUESTIONS
The amount of money a plumber charges when visiting a home to make a repair is shown by... (answered by MathLover1)

could you tell me this answer a plumber takes h hours to mend a boiler and charges �12... (answered by josmiceli)

An appliance repair service uses the formula c=50n+80 to determine the labor cost for a... (answered by stanbon)

questions 1. write in symbols the rule to find y, double x and add 1 2. her is the (answered by user_dude2008)

The rule below shows that the cost of a plumbing repair depends on the hours of labor... (answered by Boreal)

Minimizing Cost, A company uses the formula C(x)=0.02xSquared - 3.4x + 150 t?o model the... (answered by ankor@dixie-net.com)

Brianna�s SUV gets 22 mpg in the city and 30 mpg on the highway. The amount of gas she... (answered by josmiceli)

Brianna�s SUV gets 22 mpg in the city and 30 mpg on the highway. The amount of gas she... (answered by Alan3354)

This is actually a word problem, but it needs to be graphed to find the parabola along... (answered by funmath)