Amillia

a direct sale company started out with two members in the first generation. each member has to recruit another two new members him or her. find the minimum number of generations such that the total number of members exceeds 1200 (hint: geometric series)

A gardener has the task of digging an area of 800 metres per square. On the first day he digs an area of 10 metres per square. On each successive day he digs an area of 1.2 times the area that he dug the previous day, until the day when the task is comple...

In a race, a long distance runner took 3 minutes and 45 seconds to run the first kilometer, and in each succeeding kilometer, 12 seconds more than the preceding kilometer. Find the total running distance after 40 minutes.

A beverage stall has 70 bottles of orange juice and 48 bottles of mango juice. Every day the stall uses 5 bottles of orange juice and 3 bottles of mango juice. After how many days, the remainder bottles of both juices are the same? And find the number of...

The sum of the first n terms of an arithmetic sequence is n/2 (4n+20). Find the first term and the common difference of the above sequence.

Mr. nail has a box of clarinets. He has a total of 42 objects. He has 12 mouthpieces. He has four times as many reads as neck straps. How many of each object does he have? Use reasoning to write an expression then solve. I’m in fifth grade and I have no i...

what is 2x2x2 worked out