jamie and his three friends want to split the cost of lunch. They also want to leave a 15% tip. How much should each person pay

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?