Answer:
a. The total length of cloth that the dressmaker bought.
b. 2/5 m, 1/3 m, 1/6 m
c. Addition of fractions
Step-by-step explanation:
Step 1. Get the LCD or least common denominator which is in this case 30.
Step 2. Transform each fraction into similar fractions having the same denominator.
12/30, 10/30, 5/30
Step 3. Add now the similar fractions and simplify to lowest terms
27/30 รท3 = 9/10
I hope it helps :)