Jessica has 9 more nickels then dimes, and the total value of her coins is $1.50. how many nickels does she have? let n represent the number of nickels. a. 0.10n+0.05(n+9)=1.50 b. 0.10(n-9)+0.05n=1.50 c. 0.10(n+9)+0.05n=1.50 d. 0.10n+0.05n+9=1.50

Hi, can anyone show me how to do this problem? 100 points for this. in advance

Barrett is comparing the membership fees for two museums.the art museum charges a one-time fee of $8.25 plus $2.25 per month. the science museum charges a one-time fee of $10.75 plus $3.50 per month. how much does barrett save by joining the art museum instead of the science museum?

Bradley is preparing a presentation to show the ceo of his company. he wants to emphasize that the profits of their competitor have increased slowly over the past 16 months.