There are 10 boys and 20 girls.
There are 90 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 = 10
Number of girls = 20
Number of children
= 10 + 20
= 30
Number of adults
= 30 + 90
=120
(b)
Number of people
= 30 + 120
= 150
(c)
Number of less girls than adults
= 120 - 20
= 100
(d)
Number of more people than boys
= 150 - 10
= 140
Answer(s): (a) 120; (b) 150; (c) 100; (d) 140