Answer:
She payed $29.60
Explanation:
Expression: 12.36•2+1.98/2+3.49+.40
To solve this expression, we need to follow the order of operations, which is Parentheses, Exponents, Multiplication and Division (from left to right), and Addition and Subtraction (from left to right). However, in this expression, there are no parentheses or exponents, so we can start by performing the multiplication and division, and then the addition:
12.36•2 + 1.98/2 + 3.49
= 24.72 + 0.99 + 3.49+.40 (performing multiplication and division)
= 29.6 (adding the results)Therefore, the final result of the expression 12.36•2+1.98/2+3.49+.40 is 29.6.