Question

There are 'b' people on a bus. At the next stop 7 people get off and 10 more get on. How many are there on the bus?​

Answer 1

Answer:

b'=20

=20-7=13

13+10 = 23

Answer 2

Answer:

b(-7+10)

Step-by-step explanation:

$people \: on \: the \: bus \: = \: b$

$people \: at \: the \: next \: stop \: = (b - 7) + 10$

$\therefore \: people \: on \: the \: bus = b( - 7 + 10)$

Hope it helps you