Answer:
Step-by-step explanation:
Exact Form:
x = 15 /8
x=1.875
3 times
heaviest : 9/10 kg.. 0.9kg
lightest : 3/10 kg.... 0.3kg
0.3/0.9 = 1/3
A) (x + 2)
x^2 + 5x + 6
=(x +3)(x +2)
so (x+3) and (x+2) are the factors