# Ravens

The tale of the Seven Ravens were seven brothers, each of whom was born exactly 2.5 years after the previous one. When the eldest of the brothers was 2-times older than the youngest, mother all curse. How old was seven ravens brothers when their mother cursed?

Correct result:

k1 (youngest) =  15
k2 =  17.5
k3 =  20
k4 =  22.5
k5 =  25
k6 =  27.5
k7 (oldest) =  30

#### Solution:

${k}_{2}={k}_{1}+2.5=17.5$
${k}_{3}={k}_{2}+2.5=20$
${k}_{4}={k}_{3}+2.5=22.5$
${k}_{5}={k}_{4}+2.5=25$
${k}_{6}={k}_{5}+2.5=27.5$
${k}_{7}={k}_{6}+2.5=30$ We would be pleased if you find an error in the word problem, spelling mistakes, or inaccuracies and send it to us. Thank you! Tips to related online calculators
Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?
Do you want to convert time units like minutes to seconds?

## Next similar math problems:

• Dropped sheets Three consecutive sheets dropped from the book. The sum of the numbers on the pages of the dropped sheets is 273. What number has the last page of the dropped sheets?
• AS sequence In an arithmetic sequence is given the difference d = -3 and a71 = 455. a) Determine the value of a62 b) Determine the sum of 71 members.
• Unknown number 11 That number increased by three equals three times itself?
• Equation Solve the equation: 1/2-2/8 = 1/10; Write the result as a decimal number.
• Forest nursery 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?
• Equation 11 Solve equation: ?
• Simple equation Solve the following simple equation: 2. (4x + 3) = 2-5. (1-x)
• What is 9 What is the 15th term; x1=1.5, d=4.5?
• Eight years ago The son asks his father how old he is. My father said: In ten years, I will have twice as much as I had eight years ago.
• Cakes Grandmother baked cakes. Half of its was poppy, quarter with plum jam and 16 cheesecakes. How many cakes she baked in total?
• AP - simple Determine the first nine elements of sequence if a10 = -1 and d = 4
• Father and son Father is 48 years old, son 23. When will be the father twice older than a son?
• Apples 2 How many apples were originally on the tree, if the first day fell one third, the second day quarter of the rest and on tree remained 45 apples?
• Bed time Tiffany was 5 years old; her week night bedtime grew by ¼ hour each year. If, at age 18, her curfew time is 11pm, what was her bed time when she was 5 years old?
• Timeage Seven times of my age is 8 less than the largest two-digit number. How old I am?
• Trees A certain species of tree grows an average of 0.5 cm per week. Write an equation for the sequence that represents the weekly height of this tree in centimeters if the measurements begin when the tree is 200 centimeters tall.
• Family 8 Father is 38 years old, daughter 12, son 14. How many years will father have as many years as his children together?