Answer:
1. x = {1.5, 0.2}
2. x = 1
Step-by-step explanation:
Answer: i think is A or B
35 = 4 + 2b
2b = 35 - 4
b = backpack
35 - 4 = 31
2b = 31
Divide by 2
15.5 = b
Each bag weighs 15.5kg.
15.5 * 2 + 4 = 35
31 + 4 = 35
35 = 35
find the common factor
1)13
2) 13(1+5)
