Question
Opal baked chocolate, mushroom and chicken buns. She baked 140 chocolate buns. 30% of her buns were chicken. She baked 20 less mushroom buns than chicken buns. How many chocolate buns and mushroom buns did Opal bake altogether?
3 m

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Opal baked chocolate, mushroom and chicken buns. She baked 140 chocolate buns. 30% of her buns were chicken. She baked 20 less mushroom buns than chicken buns. How many chocolate buns and mushroom buns did Opal bake altogether?