Richard spent over $220 at an office supply store. He bought x reams of paper for $9 each and eight boxes of pens for $5 each. Model Richard

Question

Richard spent over $220 at an office supply store. He bought x reams of paper for $9 each and eight boxes of pens for $5 each. Model Richard’s situation with an inequality, and solve for x. What can be interpreted about the solution of the inequality?

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    2021-09-04T12:58:33+00:00

    We are given

    Richard spent over $220 at an office supply store

    so, total money spent over =$220

    He bought x reams of paper for $9 each

    So, money spent on paper is

    =9x

    eight boxes of pens for $5 each

    so, money spent on pens is

    =5\times 8

    =40

    now, we can find total money spent

    so, total money spent is

    =9x+40

    now, we are given maximum money he can spent over $220

    we get

    9x+40\geq 220

    So, inequality is

    9x+40\geq 220

    now, we can solve for x

    Subtract both sides by 40

    9x+40-40\geq 220-40

    9x\geq 180

    Divide both sides by 9

    x\geq 20

    Interpretation:

    Since, x is the number of reams of paper

    so, he can buy more than  20 reams of paper………..Answer

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