12. Some students were asked whether they liked History, Geography or Science. Their replies were, 5 liked all the three subjects, 9 liked History and Geography, 7 liked History and Science, 8 liked Geography and Science, 16 liked History, 18 liked Geography, 17 liked Science and 4 liked none of the subjects. (a) Show this information using a Venn diagram.
(b) How many students were in the group?

total amount of money that he should pay if he has not used his duty free exemption is $98

step-by-step explanation:

given a united states citizen returning to the states declares the following items at the customs office: 3 shirts at $8.50 each 2 dresses at $27.50 each 1 pair of gold cuff links at $17.50 per pair. we have to find how much he pay

cost of 3 shirts if one cost at $8.50 is

cost of 2 dresses if one cost at $27.50 is  

cost of 1 pair of gold cuff at $17.50

so, total amount of money that he should pay if he has not used his duty free exemption is   $25.5+$55+$17.50=$98

first one because it can't have a fraction in it

step-by-step explanation: