There are 20 boys and 50 girls.
There are 80 less children than adults.
- How many adults are there?
- How many people are there?
- How many less girls than adults?
- How many more people than boys?
(a)
Number of boys = 20
Number of girls = 50
Number of children
= 20 + 50
= 70
Number of adults
= 70 + 80
=150
(b)
Number of people
= 70 + 150
= 220
(c)
Number of less girls than adults
= 150 - 50
= 100
(d)
Number of more people than boys
= 220 - 20
= 200
Answer(s): (a) 150; (b) 220; (c) 100; (d) 200