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Numbers <5: {1,2,3,4} = 4 outcomes. Total = 6. Probability = 4/6 = 2/3. Correct C.

D avoids a dangling modifier and is clear. A is acceptable but wordier. B and C are illogical. On TSI, clarity and logic guide revision.

The original has a misplaced modifier. A fixes it by making Carlos the subject.

Numbers >4 are {5,6} → 2 outcomes. Probability = 2/6 = 1/3. Correct B.

First apply the discount, then tax the reduced amount (order matters). A 25% discount on $80 is 0.25 × 80 = $20. Subtract from the list price: $80 − $20 = $60 discounted price. Sales tax is 8.25%, so multiply $60 by 0.0825: $60 × 0.0825 = $4.95 tax. Add tax to the discounted price: $60 + $4.95 = $64.95 total. This matches option C. Option A ($60.00) omits tax. Option B ($62.40) reflects applying 22% or an incorrect rate; sometimes students mistakenly multiply by 0.78 and then mis-tax. Option D ($68.20) suggests taxing the original price or compounding errors. For quantitative reasoning on TSIA2, translate words to operations step-by-step: discount = subtraction from original; tax = percent of the current (discounted) subtotal. Keep decimals organized, and consider reasonableness: the total must be a little more than $60 but far less than $80.