A donut costs 5000 VND . Linh bought a dozen of these donuts . How much did she pay for them 

a donut costs 5000 VND. linh bought a dozen of these donuts. How  much did she pay for them?

1/ The radius of a circle is 3cm .

Which is the perimeter of the circle ? 

(write your answer by decimal in the simplest form)

Answer : ......... cm 

2/ Linh deposited one million VND in a bank

The bank paid 6% interest per year

How much money would she have in the bank after 1 year ?

Answer : ............. VND 

After spending $2072 on a set of jewellery, Lisa spent \(\frac{4}{7}\) of the remaining money on a dress. If Lisa had 27% of the original sum of money left, how much did she have at firet?

if Juan spent of his money on a game that costs 20 dollar, how much did Juan have originally to spend?
Use the diagram below to reason the answer.

Answer: dollar.

Among the Primary 5 students who took part in the final examination, 38 of them scored distinction for Mathematics. 80 students scored distinction for English, 47 of them scored distinction for both subjects and 74 students did not get distinction for either subject. How big was the cohort of Primary 5 students ?

The price of Dubai is 77971250 VND. But I have only 2172500 VND. How much money do I need more? ( Giá Dubai là 77971250 đồng. Nhưng tôi chỉ có 2172500 đồng. Tôi cần bao nhiêu tiền nữa? )

If Juan \(spent \dfrac{1}{4}\)of his money on a game that costs 20 dollar, how much did Juan have originally to spend?
Use the diagram below to reason the answer.

Answer:                dollar