Honza is 13 years old and Peter 21 years old. After how many years are their ages will be at ratio 7: 9?
Thank you for submitting an example text correction or rephasing. We will review the example in a short time and work on the publish it.
Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
Tips to related online calculators
Following knowledge from mathematics are needed to solve this word math problem:
Next similar math problems:
How many hours are, if the time that elapsed since 8:00 is 2/5 of the time that will past till midnight?
- Three monks
Three medieval monks has task to copy 600 pages of the Bible. One rewrites in three days 1 page, second in 2 days 3 pages and a third in 4 days 2 sides. Calculate for how many days and what day the monks will have copied whole Bible when they begin Wednes
School attend 792 children, boys and girls ratio is 4:5. How many more girls go to school (than boys)?
There are 32 trees of three species in the orchard. 25% cherries, three eighty pears, others plums. How many plums are in the orchard?
- Three people
Three people start doing a work at a same time. The first worked only 2 hours. The second ended 3 hours before the end. On an individual basis, it would take the first time to do the work 10 hours, second 12 hours and 15 hours third. How many hours did it
- Ratio 11
Simplify this ratio 10 : 1/4
- Equation with mixed fractions
2 3/5 of 1430+? = 1900. How to do this problem
- Unknown number 23
Find 2/3 of unknown number, which is two thirds of the 99.
- One third
If 3/5 is 360, how much is 1/3?
Solve equation with fractions: 2x/3-50=40+x/4
- Equation 20
In given equation: 8/9-4/5=2/9+x, find x
Solve the following equation with fractions: h + 1/3 =5/3
- Unknown number
I think the number - its sixth is 3 smaller than its third.
- Fraction + eq
Solve following simple equation with fractions: -5/6(8+5b) = 75 + 5/3b
- Simple equation 5
Solve equation with fractions: X × 3/8 = 1/2
- Simple equation 6
Solve equation with one variable: X/2+X/3+X/4=X+4
- Fifth of the number
The fifth of the number is by 24 less than that number. What is the number?