Angela enjoys swimming and often swims at a steady pace to burn calories. at this pace, angela can swim 1,700 meters in 40 minutes.
a. what is angela’s unit rate?
b. what is the rate unit?

a.

Step-by-step explanation:

a. We could find Angela's in metter per second then we have to convert 40 minutes to seconds then:

We know that see swim 1700 meters in 2400\,s then we just need to divide the distance by the time to find the unit rate:

b. A  unit rate is used to compare different kinds of quantities, unit rate is useful to describe how many units of the first type of quantity correspond to one unit of the seconds time, examples of common unit rates are kilometers per hour, meters per hour, cost per item.

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

your answer would be 12