Q1:

To buy a flat, 30%of the price of the flat is paid as the down payment. If the down payment is \$600000, find the price of the flat.

A.\$800000

B.\$960000

C.\$2000000

D.\$2400000

Q2:

Which of the following is discrate data?

A.the total rainfall in Hong Kong last month

B.the distance between Wanchai and Central

C.the number of districts in Hong Kong

D.the average temperature in1990 in Hong Kong

*I want them ans and I want to know why is this ans

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Q1:

To buy a flat, 30%of the price of the flat is paid as the down payment. If the down payment is \$600000, find the price of the flat.

C.\$2000000

Let \$y be the the price of the flat

30% y = 600000

y=600000 / 30%

y=2000000

so the price of the flat is \$2000000

Q2:

Which of the following is discrate data?

C.the number of districts in Hong Kong

A type of data is discrete if there are only a finite number of values possible or if there is a space on the number line between each 2 possible values.

Therefore, for simple remember, the data can be counted is known as discrete data

, the data have to be measured and dont know the fixed numbers is known as continuous data

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