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for 30 days such that each member of the crew would get 2 quarts per day. If 250 gallons become contaminated after the 10th day and cannot be used for drinking, how many quarts will each crew member...

if the first digit cannot be either a "0" or a "1" and the second digit must be either a "0" or a "1"?   HELP!!!

if the sum of the two numbers is -30 and their difference is -2, find both numbers

Car payment balance. We owe three thousand dollars and the payment is 190.00 . I have tried going through the steps it has been years since I was in school as I am 65 years old. I would like to help...

If Andy and his wife charlotte can paint the house in 3.5 hours, and charlotte and her daughter nancy can paint it in 4 hours, and all three can paint it in 3 hours, how long would it take charlotte...

need help for a question in home work

A recording studio invest \$24,000 to produce a master CD of a singing group. It cost \$1.50 to make each copy of the master and cover the operating costs. 1. Complete the cost chart C(d). Number...

what is the pay rate, in dollars per hour?

Tube with x mL with 30% solution, tube with y mL with 40% solution. Tube z has 30% solution, what is the mL?

Word questions are hard for me. Please show me how to work the problem also

Buried treasure. Ahmed has half of a treasure map,which indicates that the treasure is buried in the desert 2x + 6 paces from Castle Rock. Vanessa has the other half of the map. Her half indicates...

Solving word problems using either one or two unknowns.

Word problems solved by two equations

three times a number minus two times another number equals 19. The sum of the two number is 18. find the two numbers

A farmer is planning to put in a garden next to his barn. He is planning to fence in the garden on three sides (the barn will make the fourth side). He has 100 feet of fencing to use. Find an equation...

Trying to help my daughter with her homework and we are stuck, any help is appreciated.   Thanks

Ace Car Rental Company rents a car for \$50 per day and \$0.25 per mile driven. Laura is a customer who wants to keep her car rental bill at \$100 or less. At most how many miles can she drive in one...

Blockage of _____ would be expected to decrease the levels of transmitters within the vesicles. A) presynaptic transporters B) axonal autoreceptors C) vesicular transporters D) postsynaptic autoreceptors...