C is the answer ......
Answer:
she would read 20 pages in 1 whole hour
Step-by-step explanation:
please give me brainlest and follow me
143x/12
AREA =(X²-144X)m²
LENGTH =(X+12)m
THEREFORE, WIDTH =AREA/LENGTH
=(X²-144X/X+12)
OR,(X×X-144X/X+12)m
=(143X/12)m
