the predicted population rise is proportionally greater for India than for China.

1644/1065>1396/1285查看更多

the predicted population rise is proportionally greater for Brazil than for Indonesia.

225/170<316/215查看更多

How much more per pupil do London authorities spend on staff in secondary schools than in primary schools?

1088-774=314查看更多

Approximately what proportion of the total amount spent per primary pupil by "other" authorities is on books and equipment? 

21/(774+134+34+6+1088+184+61+24)=0.0128查看更多

What is the difference in total cost to London authorities between one secondary pupil and one primary pupil? 

774+134+34+6-(1088+184+61+24)，差的绝对值为409查看更多

What is the total expenditure for a primary school in London with 320 pupils? （英镑为单位）

(774+134+34+6)*320=303360查看更多

On what do "other" authorities spend 13.8% of their total outlay per primary school pupil? 

(565+95+21+7）*13.8%=95查看更多

What is the total cost to London authorities per secondary school pupil?

1088+184+61+24=1357查看更多

How much more than "other" authorities do London authorities spend per secondary pupil on premises? 

184-137=47查看更多

How many thousand tonnes of liquids were lifted in 2009? 

2009年的液体流失从图中可以看出约1.3千吨查看更多