Apply the rules for order of operations to simplify 2 + 3 - 4 + (5 x 4).

21

Step-by-step explanation:

PEDMAS

P - parentheses

E - exponent

D - division

M - multiplication

A - addition

S - subtraction

2 + 3 - 4 + (5 x 4)

P - parentheses.

(5 × 4) = 5 × 4 = 20

2 + 3 - 4 + 20

A - Addition and S - subtraction (left to right)

2 + 3 = 5

5 - 4 + 20

5 - 4 = 1

1 + 20 = 21

to determine the unit cost your would divide the total cost by the number sold.

7 bagels for $4.41       $4.41/7 = $.63 each at fresh side

5 bagels for $3.60         $3.60/5 = $.72 each at value mart

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