Answer:

20.55 meters

Step-by-step explanation:

a. What is asked?

- How many meters of ribbon did she buy altogether?

b. Given:

- 4.5 m yellow ribbon

- 3.6 m red ribbon

- 8.75 m white ribbon

- 3.70 m blue ribbon

c. Process:

- Addition

d. Number sentence:

4.50 + 3.60 + 8.75 + 3.70 = N

e. Solution:

4.50+3.60+8.75+3.70=20.55 meters

pabrianliest po sana. thank you