Marie11111111 Marie11111111

25-10-2017
Mathematics

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Use a bar model to find the unknown value: 3/6 = ?/7

Use a bar model to find the unknown value 36 7 class=

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cedarwood79 cedarwood79

25-10-2017

This is set up as a proportion, so let’s cross multiply the values. When you do, you should get 21 = 6x. Now, divide each side by 6 to isolate the “x”. 21/6 is 3.5. x = 3.5. The unknown value is 3.5.

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