Average

Average of 7 numbers is 65. What is its sum?

Result

s =  455

Solution:

Solution in text s =







Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Showing 0 comments:
1st comment
Be the first to comment!
avatar




To solve this example are needed these knowledge from mathematics:

Looking for a statistical calculator? Looking for help with calculating arithmetic mean?

Next similar examples:

  1. Average
    avg The arithmetic mean of the two numbers is 71.7. One number is 5. Calculate the second number.
  2. Median and modus
    dice_3 Radka made 50 throws with a dice. The table saw fit individual dice's wall frequency: Wall Number: 1 2 3 4 5 6 frequency: 8 7 5 11 6 13 Calculate the modus and median of the wall numbers that Radka fell.
  3. The square
    numbers_49 The square root of 25 times the square root of 81 is what number?
  4. Double percent
    percents What is 30% of 80% of 3200?
  5. Number
    numbers_10 Which number is 17 times larger than the number 6?
  6. Sick
    tabletky Sick Marcel already taken six tablets, which was a quarter of the total number of pills in the pack. How many pills were in the pack?
  7. Class
    absenciaSms In 7.C clss are 10 girls and 20 boys. Yesterday was missing 20% of girls and 50% boys. What percentage of students missing?
  8. Orchard
    orchard 9 trees in 5 lines grows in the orchard. How many trees are in the orchard?
  9. Pins 2
    pin_keyboard how many different possible 4 digits pins can be found on the 10-digit keypad?
  10. Multiples
    numbers2_7 Find all multiples of 10 that are larger than 136 and smaller than 214.
  11. Percentages
    percent2 Expressed as a percentage:
  12. Classroom 4
    skola_1 In a class of 36 pupils, 2/3 are girls. How much it is in a class girls and boys?
  13. Combine / add term
    combine Combine like terms 4c+c-7c
  14. 75th percentile (quartille Q3)
    statistics Find 75th percentile for 30,42,42,46,46,46,50,50,54
  15. Obtuse angle
    UholZSobr2 Which obtuse angle is creating clocks at 17:00?
  16. Simple equation
    axes_1 Solve for x: 3(x + 2) = x - 18
  17. Iron
    250px-Iron_electrolytic_and_1cm3_cube Iron ore contains 57% iron. How much ore is needed to produce 20 tons of iron?