Question
Buns are sold in Nicole Bread Shop at the prices as shown:

1 strawberry bun $2.20
1 cranberry bun $1.20

MrsOng bought 7 more cranberry buns than strawberry buns from this bread shop. She paid $22 in total. How many buns did Mrs Ong buy altogether?
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Buns are sold in Nicole Bread Shop at the prices as shown:

1 strawberry bun $2.20
1 cranberry bun $1.20

MrsOng bought 7 more cranberry buns than strawberry buns from this bread shop. She paid $22 in total. How many buns did Mrs Ong buy altogether?