Posted by chris on Monday, March 1, 2010 at 7:07pm.
let cost of tube be $x per foot
then cost of pump is $12x
12x + 8x = 8.5
solve for x
Related Questions
S.A.T Math - I do not understand This: Employee x is paid $12.50 an hour for the...
math - 500 students paid rete of £7.50 and the remainder paid the full ...
math - Ken paid $8.50 for tickets an adult paid $2.00 more than a child how ...
Math - Four girls bought a boat for $60.00. the first girl paid-one half the sum...
Math - Sonja is paid $42.50 per hour as a veterinarian. She is paid 1 1/2 times ...
math check - 1.)Jenna earns $16,250 per year. She pays 6% of her earnings to her...
Math - A customer paid $247.13 in interest on a loan of $950.50. What is the ...
math - Karla borrowed $750 at 12 percent for one year. She paid a $20 processing...
tax - In which of the following situations would a taxpayer be better off to ...
Math - Will, Micah and Sue went to dinner. Will paid 1/3 of the dinner bill. ...
For Further Reading