Answer:
(p-1)(b+9)
Step-by-step explanation: Both terms are a(b+9), but one term has a=p and the other is -1. So add them and get the answer
Answer:
10
Step-by-step explanation:
Because if the number of girls is the same as the boys you just devide 20 by 2 and get 10
B, d, e, f
they all equal 64
Answer: 3
Step-by-step explanation: your welcome even if im wrong
no. of boys : no.of girls
100 : 140
to get the simplest ratio you gotta divide both with a common factor
Because both 100 and 140 share a common factor of 20
the simplest ratio will be
100/20 : 140/20
5:7
5:7 is the simplest ratio