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2008-11-05 4:14 am

1 ) The figure shows a bottle of ' lucky stars ' . If 50 lucky stars weigh about 42g , estimate the weight of each lucky star .

2 ) Jacky is studying abroad and his school fee each year is $80 860 . It is known that his monthly expenses not including school fee are $9 800 . Round up the figures to check whether $ 220 000 is enoug for Jacky to use in a year .

3 ) Product A B C D E
Price $6.9 $4.2 $15.8 $5.7 $4.8

The table above shows thr prices of some products sold in a supermarket . Round off the prices to the nearest dollar and estimate the total amount that Sally has to pay if she buys one piece of each product above .

回答 (2)

karen

2008-11-05 4:55 am

✔ 最佳答案

1) 0.84g
2) 80860+9800x12=198460, yes
3) 7 4 16 6 5,$38

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[匿名]

2008-11-05 5:01 am

3) 7+4+16+6+5

=$38

2)80000+10000
=90000
$ 220 000 is enough for Jacky to use this year.

1) 1g

我唔係咁清楚, 因為我係6年級炸. 希望幫到你啦!

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