Answer:
25 girls or 25% and 75 or 75% boys
Step-by-step explanation:
there are 20 girls plus 5 is 25, so 25 girls and 75 boys.
this might not be the right answer if this is on a test don't use it but if it's a practice question you can.
Answer:
first term = 3
Step-by-step explanation:
The n th term of a GP is
= a₁
where a₁ is the first term and r the common ratio
Here r = 3 and a₅ = 243 , thus
a₁ × = 243
a₁ × 81 = 243 ( divide both sides by 81 )
a₁ = 3
1/4 (2x - 14) = 4
2x - 14 = 16
2x = 30
x = 15
Answer:
What?
Step-by-step explanation: