
David W. answered 11/15/16
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"a minimum" means "grade ≥"
"75% in today's 60-point math test" means "what is 75% of 60?" and "of" means multiply
75% may also be written as (75/100) or 0.75 as needed by the problem
(75/100)*60 = 45
So, grade ≥ 45 points "The least" is 45 points.