There are 20 boys and 30 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 = 20
Number of girls = 30
Number of children
= 20 + 30
= 50
Number of adults
= 50 + 90
=140
(b)
Number of people
= 50 + 140
= 190
(c)
Number of less girls than adults
= 140 - 30
= 110
(d)
Number of more people than boys
= 190 - 20
= 170
Answer(s): (a) 140; (b) 190; (c) 110; (d) 170