Question 491911
a.	Bong's age in 7 years=b+7
b.	Bong's age 4 years ago=b-4
c.	Maricar's age in 7 years=m+7
d.	Maricar's age 4 years ago=m-4
e.	The sum of their ages in 7 years
=(b+7)+(m+7)
=b+m+14
f.	The sum of their ages 4 years ago
=(b-4)+(m-4)
=b+m-8