# Solving word problems with a table

Last updated: 18 Nov 2008

We reduced the question to the following table.

% tickets sold | price | % total income | |
---|---|---|---|

club members | 50% | $11 | |

children | 10% | $5 | |

non-members | $15 | ? |

We will add a totals row because we are working with percentages and an income column so that we can later work out the percentages for the income.

We can fill in 100% for the totals of the percentages.

% tickets sold | price | % total income | income | |
---|---|---|---|---|

club members | 50% | $11 | ||

children | 10% | $5 | ||

non-members | $15 | ? | ||

total | 100% | - | 100% |

Then it is a matter of filling in as many cells as we can calculate until we have enough information to find the answer.

In this case we know the % tickets sold will sum to 100% so the percentage sold to club members will be

% tickets sold | price | % total income | income | |
---|---|---|---|---|

club members | 50% | $11 | ||

children | 10% | $5 | ||

non-members | 40% | $15 | ? | |

total | 100% | - | 100% |

Now we will work out the amount of income from each group.

The income from each group will be the number of tickets sold multiplied by the price of each ticket.

Since we do not know the total number of tickets sold we can assume that there were 100 tickets because this will make the mathematics easier.

% tickets sold | price | % total income | income | |
---|---|---|---|---|

club members | 50% | $11 | $550 | |

children | 10% | $5 | $50 | |

non-members | 40% | $15 | ? | $600 |

total | 100% | - | 100% | $1,200 |

Now that we have the total income and the income from non-members we can find the percentage we need.

% tickets sold | price | % total income | income | |
---|---|---|---|---|

club members | 50% | $11 | $550 | |

children | 10% | $5 | $50 | |

non-members | 40% | $15 | ? = 50% | $600 |

total | 100% | - | 100% | $1,200 |

Returning to the question.

At a football game 50% of the seats are sold to season ticket holders who pay $11 each and 10% are sold to children who pay $5 each. All the remaining tickets are sold to non-members at $15 each. What proportion of the total gate receipts for the game is contributed by non-members?

- 60%
- 52%
- 50%
- 40%
- 5%

50% was contributed by non-members so the answer is C.

Very good explanation of the solution to the given problem. This is a very useful site for GMAT preparation.

Thanks

I really appreciate your step-by-step approach in explaining this type of problem.

Thanks.