Answer:
Step-by-step explanation:
-10x+18=10x+4
20x=14
x=14/20=7/10=0.7
112 is 80% of 140.
80% can be written as 0.80 or 0.8.
how i got 140 is by finding the x value of this equation: 0.8x=112
to find the x, i divided 0.8 from both sides,
0.8 divided by 0.8 cancel out.
112 divided by 0.8 is 140.
therefore, 112 is 80% of 140
Yeah i believe this question is a error!!if not it should be 88
Answer:
It would be 14 because since each book is 3.5cm thick times that by 4 and get 14.
