There are 30 boys and 60 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 = 30
Number of girls = 60
Number of children
= 30 + 60
= 90
Number of adults
= 90 + 90
=180
(b)
Number of people
= 90 + 180
= 270
(c)
Number of less girls than adults
= 180 - 60
= 120
(d)
Number of more people than boys
= 270 - 30
= 240
Answer(s): (a) 180; (b) 270; (c) 120; (d) 240