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PLZ SOMEONE HELP ME ASAPPP

PLZ SOMEONE HELP ME ASAPPP-example-1
User Aymen
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1 Answer

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4b + 6r = 20
4b = 20 - 6r
b = 5 - 3/2(r)

or

4b + 6r = 20
6r = 20 - 4b
r = 10/3 - 2/3(b)

so answer is A. first one
User Jigish Chawda
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