Gretchen is using an overhead projector to enlarge a drawing so she can make a poster. The original drawing measures 60 mm wide by 80 mm high. She moves the projector so that the width of the projected image is 300 mm. If the original drawing and the projected image are similar figures, what will be the height of the projected image?

Answers (1)
  1. Javan
    So 60 by 80,

    60 <80 so 60=width

    she moves it so that width=300

    findn height

    60:300=80:x

    60/300=80/x

    muliplyb oth sides by x

    60x/300=80

    x/5=80

    mulitpliy both sides by 5

    x=400

    the height=400 mm
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