Ravens

The tale of the Seven Ravens were seven brothers, each of whom was born exactly 1.5 years after the previous one. When the eldest of the brothers was 4-times older than the youngest, mother all curse. How old was seven ravens brothers when their mother cursed?

Result

k1 (youngest) =  3
k2 =  4.5
k3 =  6
k4 =  7.5
k5 =  9
k6 =  10.5
k7 (oldest) =  12

Solution:








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




Next similar examples:

  1. Infirmary
    osetrovna Two thirds of children from the infirmary went on a trip seventh went to bathe and 40 children remained in the gym. How many children were treated in the infirmary?
  2. Walnuts
    orechy_2 x walnuts were in the mission. Dano took 1/4 of nuts Michael took 1/8 from the rest and John took 34 nuts. It stayed here 29 nuts. Determine the original number of nuts.
  3. Cans
    konzervy How many cans must be put in the bottom row if we want 182 cans arrange in 13 rows above so that each subsequent row has always been one tin less? How many cans will be in the top row?
  4. Mom and daughter
    family_1 Mother is 39 years old. Her daughter is 15 years. For many years will mother be four times older than the daughter?
  5. Family
    sediny Mom is 39 years old. Karl is eight years and Paul 4 years. For many years mother would old just like two children together?
  6. Aunt
    teta Annie aunt is 35 years old, Annie is 14 years. For how many years will aunt have twice as many years as Annie?
  7. Forest nursery
    stromcek_2 In the forest nursery after winter, they found that 1/10 stems died out of them. For them, they land 193 new spruces. How many spruces are in the forest nursery?
  8. Unknown number 11
    numbers_33 That number increased by three equals three times itself?
  9. Fifth of the number
    numbs_5 The fifth of the number is by 24 less than that number. What is the number?
  10. Sequence
    sunflower Between numbers 2 and 78 insert n members of the arithmetic sequence that its sum is 600.
  11. Equation 11
    rovnice Solve equation: ?
  12. Strange x
    pie For what x is true ??
  13. Sequence 3
    75 Write the first 5 members of an arithmetic sequence: a7=-51, a17=-121.
  14. Cakes
    cookies_2 Grandmother baked cakes. Half of its was poppy, quarter with plum jam and 16 cheesecakes. How many cakes she baked in total?
  15. Equation
    serwisy_chemia_01 ?