Answer:
11/20
Step-by-step explanation:

Answer:
Fraction models can help clarify ideas that are often confused in a purely symbolic mode and construct mental terms that help them to perform fraction tasks meaningfully.
Step-by-step explanation:
Answer:
Step-by-step explanation:
18 frime factorizarion is 2*3*3
because 18= 2 *9=2*3*3