A problem states: "There are 7 more girls than boys in a club. There are 23 members in the club in all. How many girls are there in the club?"
2 answers:
Answer:
Step-by-step explanation:
Number of boys = g - 7 .
g - 7 + g = 23
2g = 30
g = 15.
The are 15 girls in the class .
Answer: g-7
Step-by-step explanation:
g = number of girls in the club
b = number of boys in the club.
There are 7 more girls than boys in the club, therefore
g = b + 7
Subtract 7 from each side.
g - 7 = b + 7 - 7
g - 7 = b
That is,
b = g - 7
Answer: g - 7
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