Charles Bridge

Charles Bridge was 15 times older than Frantův bridge from 1900 in 1931. How old is the Charles Bridge?

Correct result:

x =  555

Solution:

1931-k = 15 • (1931-1900)
x = 2021-k

k = 1466
k+x = 2021

k = 1466
x = 555

Our linear equations calculator calculates it.

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:

• Clock
What time is now, if the time elapsed after noon is 2/10 of time that elapses before midnight?
• Birds
On the farm they have a total of 110 birds. Geese and turkeys together is 47. Hens is three times more than the turkey. How much is poultry by species?
• Rings - intersect
There are 15 pupils on the sporting ring. 10 pupils go to football, 8 pupils go to floorball. How many pupils go to both rings at the same time?
• Chocolate
How many times should be broken chocolate consisting of 10 × 12 pieces to get the 120 parts?
• Father and son
Father is three times older than his son. Twelve years ago, the father was nine times more senior than the son. How old are father and son?
• Chocholate
Table of chocolate is divided into squares on its surface. Lengthwise has 15 squares and widthwise 19 squares. We must chocolate broke into individual squares. How many times we have broke it to get only individual squares? It is not permitted to break se
• After 16 years
After 16 years will Dana be five times older as she was four years ago. After how many years will Dana celebrate her 16th birthday?
• Cooks
Four cooks cleaned 5 kg of potatoes for 10 minutes. How many cook would have to work clean 9 kg of potatoes for 12 minutes?
• Eggs
One egg boiled in 10 minutes, how long will it take to boil ten eggs at a time?
• Family
Martin has just as brothers as sisters. His sister Jana but has 2 times more brothers than sisters. a) How many children are in this family? b) How many boys and how many girls are in the family?