Answer:
The ratio of blue crayons to red crayons in a classroom is 32:28. The classroom has 16 blue crayons.
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Attached is your solution: simply set up the box as shown, then find the product of each in individual square in the box. The solution is the sum of the products... Note that when multiplying two binomials, you'll have like terms on one diagonal.
Hope this helps.. let me know if you have questions.
Hope this helps.. let me know if you have questions.