Grandfather and grandmother
The old mother is 5 years younger than the old father. Together they are 153 years old. How many years has each of them?
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this example are needed these knowledge from mathematics:
Next similar examples:
- Father and son
When I was 11, my father was 35 years old. Today, my father has three times more years than me. How old is she?
- Two trains
There were 159 freight wagons on the railway station creating 2 trains. One had 15 more wagons than the other. How many wagons did each train have?
- Journey to school
On the way to school I went steady step. In the first half of the journey, I counted every second step, in the second half every third. How many steps I do when I went to school if I counted double step are 250 more than three steps?
- Boys and girls
There are 48 children in the sports club, boys are 10 more than girls. How many girls go to the club?
Theatrical performance was attended by 480 spectators. Women were in the audience 40 more than men and children 60 less than half of adult spectators. How many men, women and children attended a theater performance?
- Waiting room
In the waiting room are people and flies. Together they have 15 heads and 50 legs (fly has 6 legs). How many people and flies are in the waiting room?
Marry and John together weighing 49 kg. Their weights are in ratio 1:6. Determine their weights.
Students are accommodated in 22 rooms. Rooms were 4 and 6 bed. How many rooms in which type occupied 106 children there?
- Spain vs USA
Spain lost to the US by 4 goals. In the match total fell 10 goals. How many goals gave the Spain and how the United States?
- Percents - easy
How many percent is 432 out of 434?
- Base, percents, value
Base is 344084 which is 100 %. How many percent is 384177?
1 mason casts 30.8 meters square in 8 hours. How long casts 4 masons 178 meters square?
- Linear system
Solve this linear system (two linear equations with two unknowns): x+y =36 19x+22y=720
- Two numbers
Find two numbers whose difference and ratio is 2.
- Simple equations
Solve system of equations: 5x+3y=5 5x+7y=25
I have a box with two hundred pieces of gloves in total, split into ten parcels of twenty pieces, and I sell three parcels. What percent of the total amount I sold?
- MO 2016 Numerical axis
Cat's school use a special numerical axis. The distance between the numbers 1 and 2 is 1 cm, the distance between the numbers 2 and 3 is 3 cm, between the numbers 3 and 4 is 5 cm and so on, the distance between the next pair of natural numbers is always in