At a school cafeteria a cold lunch costs $1.80, and a hot lunch costs $3.00. During one school year a teacher spent
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Answer:
<h2>2(a + 2b)</h2>Step-by-step explanation:
When there is a (-) in front of an expression in parentheses, change the sign of each term in the expression.
Collect like terms
Factor out 2 from the expression
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