Peter spends $450 on groceries in 3 months.
if peter spends the same amount every month, what is the amount he spends every month?

Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.

Kathy spent 5/8 of her money on books and another 1/6 of her money on stationeries.what fraction of kathy’s money was left?

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?