Patrick B. answered 01/14/19
Math and computer tutor/teacher
There are 7 MORE boys than girls at the park.
There are 13 boys.
So then there are 13-7 = 6 girls
Again, this time with an algebra equation:
B = G+7 <--- 7 more boys than girls
13 = G+7
13-7 = G
G=6