Sam opened a money-market account that pays 4% simple interest. He started the account with $7,000 and made no further deposits. When he closed the account, he had earned $1,120 in interest. How long did he keep his account open?

How many integers less than one billion are very round numbers

A bag contains 3 red marbles, 5 green marbles and 7 blue marbles. If Janelle picks one marble out of the bag, what is the probability that the marble is red?

What is the greatest number of pieces you can cut a cake into by making four straight cuts with a knife?

A lady walks into a store and steals a $100 dollar bill from the register without the owners knowledge. She comes back five minutes later and buys $70.00 worth of goods with the $100 dollar bills. The owner gives her $30.00 in change.

Deborah bought some bouquets of flowers. she wrote this equation to show the number of flowers in one bouquet. f = 6 deborah bought 4 bouquets of flowers. which equation represents the number of flowers she has altogether? a. 4 * f = 6 b.

Fiona's laptop computer weighs 2.5 kilograms. What is the weight of the computer in pounds?

Two Neighbors in a rural area want to know the distance between their homes in miles. What should the Neighbors use as a conversion factor to covert 4,224 to miles

A rectangle is twice as long as it is wide. it's area is 72 square units. Find the length of each side

Andrea built a circular barbecue pit with a circumference of 9 feet. She wants a rod to go across the pit to use for a rotisserie. The rod must go from one edge of the pit to the other, passing through its center.

How to find which cereal has the higher ratio of protein