An old brainteaser by the Central Asian scholar Biruni (973-1048) : If 10 dirhams (a unit of currency) earn 5 dirhams of profit in 2 months, how much profit will 8 dirhams earn in 3 months?

An investor has an account with stock from two different companies. Last year, her stock in Company A was worth $6060 and her stock in Company B was worth $2300.

What is the answer 6x-4y=48

How to write 15 out of 25 as a fraction

A house is worth 55,000 2 years ago now is worth 24% more. What is it worth now? & explanation + work

Solve the equations. Show the solution sets on a number line. Check your answers. c 9k+3 = -4

Ann has the 5 newest music CD's which is 3 less than twice the amount that Bob has.

5 students receive the same text message at 9 a. m. each of them sent the message to five more students at 10 a. m. each of those students sent the message to five more student at 11 a. m.

Jeremiah works as a salesperson at an electronics store and sells phones and phone accessories. Jeremiah earns a $10 commission for every phone he sells and a $2 commission for every accessory he sells.

The balance in the unearned rent account for Jackson Co. as of December 31 is $1,500. If Jackson Co. failed to record the adjusting entry of $500 of rent earned in December, the effect on the balance sheet and income statement for December would be

A school is planning a field trip to a theme park. a ticket to the park costs $21. for a group of 50 or more, there is a 16 % discount. the school saved $924 with the discount. how many tickets did the school buy?