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In a class, 45 students take the SAT exam. The number of boys is 7 more than the number of girls
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In a class, 45 students take the SAT exam. The number of boys is 7 more than the number of girls

User Robin
by
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2 Answers

4 votes
b + g = 45

b = g + 7

b = 26
g = 19

26 + 19 = 45
26 - 19 = 7

User Val Berthe
by
8.3k points
5 votes
there are 26 boys and 19 girls,
Take away 7 from 45 to get 2g(# of girls)
45-7=38 38=2g To get to # of girls,find just one g
38/2=19 so 19 girls
45-19=boys 45-19=26 boys
User Goodonion
by
8.2k points
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