Answer:
24 months
Step-by-step explanation:
Cross-multiply
0.5 inches -------------- 1 month
12 inches ---------------- x months
0.5/12 = 1/x ===> 0.5x = 12 ===> x = 12/0.5 ===> x = 24 months
1: a) -51
b) -461
2: a) 18078.415936
b) <span>61715.95</span>
Oof this one is hard I think it’s 20 mm but I’m not sure