Dan charges a fixed amount per hour. He charges £180 for a job which takes 12 hours. Work how much he will charges for a job which will take 18 hours.

18 hours = £270

Step-by-step explanation:

Find how much he charges per hour. Divide:

So ha charges about 15 an hour. Multiply this price by the number of hours:

Therefore, he will charge £270 for a job that takes 18 hours.

OR

Set a proportional relationship since he charges a fixed amount:

Insert the appropriate corresponding values:

Solve for the price after 18 hours of work, represented by x. Cross multiply:

Solve for x. Use inverse operations to isolate the variable. Divide both sides by 12:

Therefore, after 18 hours, he will charge £270.

:Done

3.how is solving radical equations different than solving linear equations?

step-by-step explanation:

proofs involving isosceles triangles often require special consideration because an isosceles triangle has several distinct properties that do not apply to normal triangles.(more about triangle types) therefore, when you are trying to prove that two triangles are congruent, and one or both triangles, are isosceles you have a few theorems that you can use to make your life easier.

step-by-step explanation:

an isosceles triangle has two congruent sides and two congruent angles. the congruent angles are called the base angles and the other angle is known as the vertex angle. ∠bac and ∠bca are the base angles of the triangle picture on the left. the vertex angle is ∠abc