There are 10 girls and 20 boys.
There are 70 less children than adults.
- How many adults are there?
- How many people are there?
- How many less boys than adults?
- How many more people than girls?
(a)
Number of girls = 10
Number of boys = 20
Number of children
= 10 + 20
= 30
Number of adults
= 30 + 70
=100
(b)
Number of people
= 30 + 100
= 130
(c)
Number of less boys than adults
= 100 - 20
= 80
(d)
Number of more people than girls
= 130 - 10
= 120
Answer(s): (a) 100; (b) 130; (c) 80; (d) 120