Answer:
Answer : 3/2
Step-by-step explanation:
30/20= 3/2
it is because we don't want the zero so that we can take it off.
Hope this help you!! :))
Answer:
67.91
Step-by-step explanation:
Answer:
2800
Step-by-step explanation:
solution:
here,
length=40 meter
Breadth=35 meter
height=2meter
area=?
we have,
A=l×b×h
=40×35×2
=2800 ans.
The error is in the second step they subtracted 3 from both sides but it was a 3x, which you can not do.
Correction.
9x+18+3x=1
12x+18=1
12x=-17
x=-17/12
300 is the original amount and 0.5 is the rate (a percent) which is deacying because it is less than 1