做为一个数学白痴,我想请教大家以下几道数学题的做法,麻烦大家写出详细步骤,我会给大家发银子,谢谢!
- If GBP100 were used to purchase Euro in year 1, what would be their approximate value if they were kept for a year (assume no interest eared) and then exchanged for HKD?
EUR1.52=GBP1 Year 1
EUR1.64=GBP1 Year 2
HKD12.3=GBP1 Year 1
HKD11.2=GBP1 Year 2
2.if halving the price of Midras 12 meant annual sales would increase from 2520 to 3950, what would be the effect on annual madras 12 profits?
Total cost per unit
Manufacture £25.4,distribution £2.5, other £7.6
Sale price per unit £120
Profit per unit £84.5
- Approximately how many more people were born in India in 1991 than died?
India total population (millions) =843
Birth rate (per 1,000 pop.) = 40.6
Mortality rate (per 1,000 pop.)=12.2
- If the male to female ration in the total population was 1:1, how many more women than men were literate in India in 2001?
India total population (millions) =1079
Literacy rate (% female/male pop.) = 30/20
- In swapping currency (in year1) a traveller incurs a charge of 5% on each transaction made. The traveller first converts JPY100,000 into MYR, then converted into AUD. How many AUD is that, taking account of charges?
JPY158=GBP1 Year 1
MYR7.6=GBP1 Year 1
AUD2.55=GBP1 Year 1
6.The currecy which has shown the smallest proportional change in value in relation to sterling between year 1 and year 2 is the?
EUR1.52=GBP1 Year 1
EUR1.64=GBP1 Year 2
USD1.60=GBP1 Year 1
USD1.45=GBP1 Year 2
JPY158=GBP1 Year 1
JPY190=GBP1 Year 2
AUD2.55=GBP1 Year 1
AUD2.71=GBP1 Year 2
CHF2.60=GBP1 Year 1
CHF2.40=GBP1 Year 2
HKD12.3=GBP1 Year 1
HKD11.2=GBP1 Year 2
MYR7.60=GBP1 Year 1
MYR5.45=GBP1 Year 2