a girl drove to her cabin. it took one hour longer to get there than it did to come back. the average speed there was 30 km/h. the average speed back was 45 km/h. how many hours did the trip there take?

A grocery store sells three different quantities of sugar. A 1 pound bag costs $1.10 a 2-pound bag costs $1.98 and a 3-pound bag cost $2.85 describe how the unit cost change as the quality of sugar increases

Martha made three birthday cards and she wants to make them more if she makes five cars an hours how many cards will she have after six hours

Forgiving 4 debts of $3 each; multiplication sentence and product

Every 10 years the shrum family has a reunion. every 2 years they meet for a dinner. How often does the reunion fall in the same year as the dinner night?

How does examining the data within the quartiles relate to percentages?

You toss a quarter three times and get tails each time. What is the probability you get heads the fourth time you toss it?

Solve by converting fractions to decimals: 8 1/2 = s + 3 1/6

3 teachers share 2 packs of paper equally

Mary has three lengths of cable, 3/6 yard long, 1/4 yard long, and 1/3 yard long, which two pieces together make a length of 20/24 yard?

Use the information given to identify the a_9 term of the geometric sequence: a_4=1/2, r=1/2