SOLUTION: ratio of boys to total students is 3:8. There are 10 girls. How many total students are there.

Question 257997: ratio of boys to total students is 3:8. There are 10 girls. How many total students are there.
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Let B = the number of boys and G = the number of girls, then:
"The ratio of the number of boys (B) to total students (B+G) is 3:8 ()."
"There are 10 girls." So...
Solve for B. Cross-multiply.
Simplify.
Subtract 3B from both sides.
Divide both sides by 5.
This is the number of boys.
The total number of students is:
=

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