2/6 gallons per friend
Math:
3 friends divided by 6 gallons = 2 gallons per friend
Answer:
(C) It cannot be a translation, rotation or reflection as the figures are not congruent.
Add the ratio together: 5:4 becomes 5+4 = 9
divide the amount by 9:
54 / 9 = 6
multiply 6 by both 5 and 4
6 *5 = 30
6 * 4 = 24
30 and 24 are two amounts