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4 July, 15:40

A colony of flowers is pollinated by hummingbirds and sunbirds. Let H represents the number of hummingbirds and S represent the number of sunbirds that must pollinate the colony so it can survive until next year.

6H + 4S> 74

This year, 8How many birds pollinated the colony. What is the least number of sunbirds that must pollinate the colony to ensure that are all survive until next tear?

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  1. 4 July, 15:51
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    Complete Question:

    A colony of flowers is pollinated by hummingbirds and sunbirds. Let H represents the number of hummingbirds and S represent the number of sunbirds that must pollinate the colony so it can survive until next year.

    6H + 4S> 74

    This year, 8 hummingbirds pollinated the colony. What is the least number of sun birds that must pollinate the colony to ensure that it will survive until next year?

    Answer:

    The least number of sun birds is 7

    Solution:

    Given inequality is:

    6H + 4S > 74

    Where,

    H is the number of hummingbirds

    S is the number of sunbirds

    This year, 8 hummingbirds pollinated the colony

    Substitute H = 8 in given inequality

    6 (8) + 4S > 74

    48 + 4S > 74

    Subtract 48 from both sides

    48 + 4S - 48 > 74 - 48

    4S > 26

    Divide both sides by 4

    S > 6.5

    Hence the least number of sun birds is 7
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