April is arranging place cards for a wedding reception on a table. the bride's family has 154 cards and the groom's family has 140 cards. she wants the arrangements for the two families to have the same number of cards in each row. what is the greatest number of cards that she can place in a row?
a) 2
b) 14
c) 7
d) 22

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.