Question

The number of busses in operation increases from 1000 to 1420 find the percentage increase in the number of busses in operation

Answer 1

let the %inc. be X
1000/100 *X= 1420
X=1420/10
X=142
therefore %inc.=142-100
=42 therefore the%inc. in no.of buses =42

Answer 2

Answer:

let the %inc. be X

1000/100 *X= 1420

X=1420/10

X=142

therefore %inc.=142-100

=42 therefore the%inc. in no.of buses =42