A man sold two computers for Rs. 24,000 each. On one he gained 20% and on the other, he lost 20%. Find his gain
or loss percentage of his whole transaction.

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

For what value of (y) is 3^3/3^y =1/9

10 points? ? +++ me asap gabriella uses the current exchange rate to write the function, h(x), where x is the number of u. s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a) gabriella averages 7.5 u. s. dollars for every 100 euros. b) gabriella averages 100 u. s. dollars for every 25 euros. c) gabriella can exchange 75 u. s. dollars for 100 euros. d) gabriella can exchange 100 u. s. dollars for 75 euros.