Step-by-step explanation:
Simplify fractions on fractions

Multiply by the inverse of denominator

Simplify fractions on fractions

Multiply by the inverse of denominator

Add both sides

Answer:
BC= 23.0km (nearest tenth)
Step-by-step explanation:
Please see the attached picture for full solution.
Answer:
1 1/5
Step-by-step explanation:
(a)=940
(b)=1680
(c)=1950
(d)=4440
Answer:
16 = 216, 17 = 180, 18 = 252
Step-by-step explanation:
Hope this helps!