Answer:i dont know
Step-by-step explanation:
A decade is 10 years which means 1/5 is 2 years. thus making 2/5 4 years.
Answer:
There is 1 boy per 2 girls
3 x 81 (to the power of 4 is the same as the square, squared, so 9 x 9) = 3x
243 = 3x
81 = x
