$6,000 dollars is invested in two different accounts earning 3% and 5% interest at the end of one year the two accounts earned $220 in interest how much money was invested at 3%

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

We have enough material to build a fence around a station that has a perimeter of 180 feet the width of the rectangular space must be 3 1/4 feet what must the length be

Simplify the expression 10/11(22z) + (a+5) -1