if Donnie has 100 marbles and gives 25 away to Arthur and 35 to mike how many marbles does Donne have?
2 answers:
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<em>Missing Information:</em>
<em>It takes Mr. Hamilton 1/15 of an hour to grade one student’s exam and 1/30 of an hour to grade one student’s quiz.</em>
Answer:
Step-by-step explanation:
Given
Required
Determine the time spent on x students
First, we need to determine the total time spent on 1 student
Take LCM
Next is to determine the total time on x students: