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19 August, 23:19

The band is selling snacks during lunch. Nachos are $2 each and burgers are $4 each. You want to buy at least 5 items. You want to spend no more than $16 total. a. Define the variables b. Write a system of inequality c. Give 2 possible solutions

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  1. 19 August, 23:30
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    3 burgers and 2 Nachos or

    2 burgers and 4 Nachos.

    Step-by-step explanation:

    a.) Define variables;

    Let n represent Nachos

    and b represent burgers

    b. System of inequality;

    2n+4b ≤ 16

    n+b ≥ 5

    c. Give 2 possible solutions;

    First, using the inequalities above, solve for n;

    n ≥ 5-b, then replace n with (5-b) in the second equation;

    2 (5-b) + 4b ≤ 16

    10-2b+4b ≤ 16

    2b ≤ 16-10

    2b ≤ 6

    b ≤ 3

    Using 3 for b, solve for n;

    n+3 ≥ 5

    n ≥ 5-3

    n ≥ 2

    Therefore, one possible solution is; 3 burgers and 2 Nachos

    The second solution can be found this way;

    If b=2 use equation 2n+4b ≤ 16 to solve for n;

    2n + (2*4) = 16

    2n+8 = 16

    2n=16-8

    2n=8

    n=4

    Therefore second solution is 2 burgers and 4 Nachos.
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