Jamerra recieved a $3000 car loan. she plans on paying off the loan in 2 years. at the end of 2 years jamerra woild have laid $450 in interest. what is the simple interest rate on the car loan

Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighbor’s kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?

Larry wants to buy some carpeting for his living room. the length of the room is 4 times the width and the total area of the room is 16 square meters. what is the length of the living room

Tanyss's house has 25 windows. her brother has washed 22 of the windows. what percent of the windows has her brother washed?