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4 votes
Mariah knows that 50% of sixth graders in her school have dogs. There are 45 sixth graders who have dogs. How many sixth graders attend Mariah's school.

User DeanOC
by
8.8k points

2 Answers

3 votes
90 kids are in mariahs school 50% is half so you multiply 45 by two
User Bhaumik Surani
by
8.2k points
5 votes
Graders which have dogs = 50%
Number of graders having dogs = 45
Let the total number of students be 'x'
So, the equation would be
50% of x = 45
50/100 × x = 45
x = 45×100/50
x = 90 students
User Raheen
by
7.9k points
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