Astring quartet finds that when they play for donations they earn between $25 and $40 per hour. if they play for 3 hours and divide the money equally between the four members of the quartet, how much can each member expect to make?
a. less than $18
b. more than $42
c.$30 to $42
d.$18 to $30

Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?

Fran has 7 sheets of paper for a coloring project. if she only uses 1/3of a sheet of paper per draing how many drawings can ahe make?

Agrocery store has fruit on sale -5 bananas for $1.50, 4 mangos for $5.00, and 3 oranges for $4.00. mrs. kang buys 15 bananas, 12 mangos, and 12 oranges. how much money does she spend?