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Home > CC1 > Chapter 2 > Lesson 2.3.3 > Problem 2-75

2-75.

Solve each generic-rectangle puzzle. For each part, write a multiplication sentence, as you did in problem 2-72. Homework Help ✎

  1. +4

    30

    1500

    2500

    What do you need to multiply 30 by to get 1500? This will give you the top edge length of the rectangle. Can you then figure out what must go below the 30 in order to get the area of 250?

  2. +7

    40

    2400

    1600

    56

    Some missing parts have been filled in. Do they make sense? Now try to fill in more parts yourself.