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On a exam with 80 problems, Roger solved 68 of them. What percentage of the problems Dudu he solve?

On a exam with 80 problems, Roger solved 68 of them. What percentage of the problems Dudu he solve?
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1 vote
On a exam with 80 problems, Roger solved 68 of them. What percentage of the problems Dudu he solve?

asked
User A Junior
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7.6k points

2 Answers

7 votes
He solved 85% of the problems.
answered
User Riadh
by
8.2k points
3 votes

68/80

divide by 4

17/20

multiply by 5

85/100

85 percent

answered
User Dennis Nerush
by
8.1k points
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