Two plumbing companies charge a flat free for a service call, plus an hourly rate for a plumbing repair. Marco’s plumbing charges $165 for a 2-hour plumbing repair or $255 for a 4-hour plumbing repair. Jack’s plumbing uses the equation C=100+40h to calculate the cost, C, for h hours of repairs. Which company charges more for 3-hour plumbing repair and how much more?

9 sandwiches per hour

step-by-step explanation:

when we have a rate, we want a 1 in the denominator

27/3 = 9

27 sandwiches/ 3 hours = 9 sandwiches/hour

well if he bought them at 5 cedis each sold them at 7 cedis each then he would make a profit of 2 cedis of each book. if in total he made 150 cedis profit that means he sold 75 books. he lost 12 books at the start so that means he originally bought a total of 82 books.

step-by-step explanation:

i think da answer is

d.square root of 3

answer: you will have more water.