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Kidstuff
Bicycles, tricycles, pedal cars galore
Some have 2 wheels, some 3, some 4
One each they belong to some girls and boys
Eighteen is the number of these toys
If I change 1 tyre a week I fear
To change them all will take me a year
There are half as many cars as trikes
How many of each are owned by these tykes?
Some have 2 wheels, some 3, some 4
One each they belong to some girls and boys
Eighteen is the number of these toys
If I change 1 tyre a week I fear
To change them all will take me a year
There are half as many cars as trikes
How many of each are owned by these tykes?
Hint
How many weeks are there in a year?Answer
Suppose there is 1 car. There are 2 tricycles and 15 bikes. This makes 40 wheels - not enough.Suppose there are 2 cars. There are 4 tricycles and 12 bikes. This makes 44 wheels.
Each time I add 1 car I get 4 extra wheels. I need 52 wheels so I want 2 more cars.
Answer 4 cars, 8 tricycles and 6 bikes.
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