There are 29 students in Ms. Wong's class. There are 3 fewer girls than boys. Write the system of equations that can be used to find how many of each student are in Ms. Wong's class. Let g represent the girls and b represent the boy

Question

Mathematics

Crystal Hamilton

10 September, 10:13

There are 29 students in Ms. Wong's class. There are 3 fewer girls than boys. Write the system of equations that can be used to find how many of each student are in Ms. Wong's class. Let g represent the girls and b represent the boy

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Answers (1)

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Karlie Stark · Answer 1

G=b-3 and c=29=b+g substituting the first into the second gives you ...

b + (b-3) = 29

2b-3=29 add 3 to both sides

2b=32 divide both sides by 2

b=16

So there were 16 boys and (29-16) 13 girls in Ms. Wong's class.