Tritium is a radioactive isotope of hydrogen that decays by about 5% per year. A large bottle of water that contained 520,000 tritium atoms remained undisturbed for 8 years. How much tritium does the bottle contain now?

The number of fives is 3 more than six times the number of tens. Let t represent the number of tens. Write an expression for the number of fives

Katy's driveway is 120 ft. How many yd is Katy's driveway?

What is the simple interest value missing in the table? Principal $2,500 Interest rate 3.5% Time 5 years Interest? $43.75 $437.50 $4,370.50 $43,750.00

Other math problems for 64

It takes 1 cup of a liquid fertility to make 7 1/2 gallons of spray. How much liquid fertilizer Ian needed to make 80 gallons of spray?

Suppose Eva has 12 3/4 pounds of flour. The day's baking will require that amount. How much flour will Eva need?

mary lee purchased a stove for $370 she made a down payment of $70 nas paid $49 a month for 18 months find the total installment price of the stove

A concession stand vendor counts the money in the register. after 2 h it has $82.75. after 6 h is has $ 360.75. how much money will be in the register at the end of an 8h shift? a. 480.00 b. 489.25 c. 499.75 d. 500.00

Use the x-values: 1, 2, 3, and 4 to write solutions of the equation y = 17x + 8 as ordered pairs. (26, 1), (27, 2), (28, 3), (29, 4) (1, 26), (2, 27), (3, 28), (4, 29) (25, 1), (42, 2), (59, 3), (76, 4) (1, 25), (2, 42), (3, 59), (4, 76)

A cafeteria manager can choose from among six side dishes for the lunch menu: applesauce, broccoli, corn, dumplings, egg rolls, or French fries. He uses a computer program to randomly select three dishes for Monday's lunch.