James bought a pen for $170 and sold it to gain 20% on his cost price. How much was the item selling for after the increase

Use this data in the problem below. follow the steps carefully. round to the nearest tenth. lot 3: week 1: 345 week 2: 340 week 3: 400 week 4: 325 step 1. jim enters the data and calculates the average or mean. step 2. jim calculates the deviation from the mean by subtracting the mean from each value. step 3. jim squares each deviation to remove negative signs. step 4. jim sums the squares of each deviation and divides by the count for the variance. step 5. jim takes the square root of the variance to find the standard deviation.

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?