Answer : A
The reciprocal of 5 would be 1/5 and 5/1 * 1/5 = 1
hope that helps!:)
X/58.65 = 15/100
(58.65*15)/100 = tip
In 8 weeks the reef grows 13 m, or 104 m.
Converting 104 m into mm:
104 m 1000 mm
--------- * ------------- = 104,000 mm
1 1 m
Count how many pieces there are and then seer how many is that specific Piece and for percentage make it 100% of this amount then divide the different one out