Answer:
<em>20 boys </em>
Step-by-step explanation:
b = 2g
100% - 20% = 80%
80% ÷ 2 = 40% = 0.4
0.4g = 4 ⇒ g = 4 ÷ 0.4 = 10
b = 2 × 10 = 20
There are 10girls and <em>20 boys</em> study in the class.
Answer:
A) 44
Step-by-step explanation:
an=n^2-5
n is the term number
a7 = 7^2 -5
a7 = 49 -5
a7 = 44
Answer:
The correct answer would be C
Step-by-step explanation:
I hope this helps, if it doesn't then just message me and ill be more than happy to help :)
Answer:
386 that lay eggs
Step-by-step explanation:
440-39= 401 hens
401hens- 15= 386
Answer:
The 2nd answer: y = 1/2x
Step-by-step explanation:
2 x 1/2= 1 and if you do 1/2 times x you'll see it works. Hope this helps!
