__LATIHAN 11__Problem solving involving addition and substraction :

1. Table below shows the number of people who visited an exhibition in three days.

Days | Number of visitors |

Monday | 18 286 |

Tuesday | 22 537 |

Wednesday | 9 873 |

Find the total of people who visited the exhibition in three days.

2. A farmer rears chickens, ducks and goats. He has 2 506 chickens. The number of ducks is 184 more than the number of chickens. The number goats is 1 896 less than the number of ducks. What is the total number of chickens, ducks and goats altogether?

3. There are 1 630 red and yellow marbles in a box. The number of red marbles is 124 more than the yellow marbles. How many yellow marbles are there in the box?

4. Table below shows the number of computers produce in two months.

Months | Number of computers |

April | 123 507 |

May | 33 961 |

Find the difference between the number of computers in the two months.

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