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Home > MC1 > Chapter 4 > Lesson 4.3.5 > Problem 4-131


Maya and Logan each made up a "Guess my Decimal" game just for you. Use their clues to determine the number.

  1. Maya gives you this clue: "The decimal I am thinking of is 3-tenths greater than 80%. What is my decimal? " Show your work.

    If we know that  is , which is equal to ,  what number is  more than that?

     Maya’s decimal is . The fractions of this decimal is  or .

  2. Logan continues the game with this clue: "My decimal is 4-hundredths less than 3-tenths." Use pictures and/or words to show your thinking.

    Can you convert to  hundredths? This will make it easier to subtract  in order to find Logan’s fraction.

    If the fraction of Logan’s decimal is , can you find the decimal?