There are 20 boys and 70 girls.
There are 30 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 = 70
Number of children
= 20 + 70
= 90
Number of adults
= 90 + 30
=120
(b)
Number of people
= 90 + 120
= 210
(c)
Number of less girls than adults
= 120 - 70
= 50
(d)
Number of more people than boys
= 210 - 20
= 190
Answer(s): (a) 120; (b) 210; (c) 50; (d) 190