A scientist studied the migration patterns of two types of whales. The humpback whales traveled 2,240 miles in 28 days.
The gray whales traveled 2,368 miles in 32 days.
If the humpback whales had traveled at the same rate for 32 days, how many more miles would they have traveled than the gray whales?

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