Answer: B) 115 pounds
Step-by-step explanation:
Because x is the number of days passed, after 21 days, x = 21.

Hope it helps <3
Answer:
90
Step-by-step explanation:
1/2x10x3.6=18
18x5=90
Answer:
i dont know the question what does it mean
Step-by-step explanation:
Answer:
9r
Step-by-step explanation:
1.5r - 3r + 10.5r
10.5r + 1.5r = 12r
12r - 3r = 9r
Final Answer = 9r