B is correct 2x2=4x3=12x3=36
Answer:
$23.80
Step-by-step explanation:
30% off means we take 30% off of the original price, or we calculate
(1-30%)=70% of the shirt's price
34*70%=23.8
Answer:
In 24 years.
Step-by-step explanation:
Let the sum of money be 100 which amounts to 200 ( doubles itself ) in 6 years time. Interest on 100rs. Is 100. Putting the following in simple interest formula. You get :

Now when 100 will become 5 times i.e 500 the interest will be 400rs.
Putting in simple interest formula:

So, in 24 years, it will become 5 times.