There are 20 girls and 90 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 = 20
Number of boys = 90
Number of children
= 20 + 90
= 110
Number of adults
= 110 + 70
=180
(b)
Number of people
= 110 + 180
= 290
(c)
Number of less boys than adults
= 180 - 90
= 90
(d)
Number of more people than girls
= 290 - 20
= 270
Answer(s): (a) 180; (b) 290; (c) 90; (d) 270