Four students were scheduled to give book reports in 1 hour. after the first report, 2/3 hour remained. the next two reports took 1/6 hour and 1/4 hour. what fraction of the hour remained

Total time to give a book Report =1 hour

Time left after giving first book report

Time taken by students to give next two reports are

Time left after giving all these two Reports

$450 is the answer.

step-by-step explanation:

30% of 450 = 135

450-135=315

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