A town has 4820 girls and 5200 boys under six years of age.
Contributed by StemPy LabTry it on paper first. A hint, the key idea and the worked solution are here when you need them.
A town has girls and boys under six years of age. Find its child sex ratio, as girls for every boys, to the nearest whole number. How many more boys than girls are there?
Need a reminder? The key ideaShow
Sexually transmitted diseases include gonorrhoea, syphilis, warts and HIV-AIDS; a condom reduces their spread. Contraception: barriers, hormone pills, a loop or copper-T, and surgery. Sex ratio ; finding the sex of a child before birth is banned by law.
The worked solution
Have you tried it?
Work it out on paper first. It is fine to get stuck or make a mistake: that is how we learn. When you are ready, go through the solution one step at a time, and check each step against your own.
Step 1. The ratio. , so about girls for every boys.
Step 2. The difference. more boys.
Answer: girls for every boys; more boys than girls.
Discussion (0)
Log in to join the discussion.
Loading…