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4) A student worked the following equation, showing his steps. In which step did he make a mistake?

5(x-3)-2x=5x-11
STEP 1 5x-15-2x=5x-11
STEP 2 3x-15=5x-11
STEP 3 -2x=4
STEP 4 x=-2

A Step 1
B Step 2
C Step 3
D He made no error

total amount to be paid = $19.5

step-by-step explanation:

given ,

original price = $25.99

discount = 25%

discount amount = 25% of original price

discount amount = 25/100   * 25.99

discount amount = $6.49

hence , the total amount to be paid = original price - discount amount

                                                            = $25.99 - $6.49

                                                            =$19.5

total amount to be paid = $19.5