The ratio of boys to girls in the 9th grade is approximately 7 to 9. There are 228 girls. How many boys are there?
1 answer:
Answer:
Approximately 177 boys
Step-by-step explanation:
Let
x ----> the number of boys
y ----> the number of girls
we know that
isolate the variable x
----> equation A
----> equation B
substitute equation B in equation A
therefore
Approximately 177 boys
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