Answer:
hello
Step-by-step explanation:
we need to divide the total number of text messages (45) by the total parts in the ratio (5 + 4 = 9), and then multiply that result by the part representing Ruthy in the ratio (5 parts).
Number of text messages Ruthy receives = (5/9) * 45
= (5 * 45) / 9
= 225 / 9
= 25
Ruthy receives 25 text messages.
(Rebecca receives 20 text messages : (4/9) * 45 = 20)