Your friend used the proportion 25/100 = 50/? to find 25% of 50 and says that the answer is 200. Explain why your friend is incorrect and find the correct answer.

In 2010 Small Town's population was 1,759 people. If it's declining by 2% each year, what would be the population in 2020? how long till the population is less than 1,000?

Find the equation that has 2, 1, and - 1 as roots

Adler and Erika solved the same equation using the calculations below. Adler's Work Erika's Work StartFraction 13 over 8 EndFraction = k + one-half. StartFraction 13 over 8 EndFraction minus one-half = k + one-half minus one-half.

Compute: 3:40 - 1:55

Which of the following expressions is equivalent to 3p^4

The school band sold 200 tickets to their concert. If 90 of the tickets were adult tickets, what percent of the tickets sold were adult tickets?

Keith works 8 hours per week. melba works 2250 minutes each week. who spends more time at work?

Which of the following is not the same as 8540 centigrade

5.2 x 10 to the 6 power is equal to what

Order from least to greatest: 2/3, 25%, 3/5, 0.40