Answer:
Test's average-95
Homework's average-96.67
Step-by-step explanation:
Average is mathematically defined as the sum of the values divided by the total number of values and is expressed as:

The Tests' average is calculated as:

Hence, the Tests' average is 95
#The Homework's average is calculated as:

Hence, the Homework's average is 96.67
20% of $175 is $35. Divided between 5 people (35/5=7) would be 7. So each person should tip $7.
Answer:
$408
Step-by-step explanation:
Find 3% of $13,600:
3 * 13,600 / 100 = $408
Suppose the original price to be x.
62%x=296.4
Divide both sides by 62% to get x=478, which is the original price.