Question

7. . The hourly percentage increase in the number of
bees in a colony increases by 10 percentage points
every hour. In the first hour, the increase in the
number of bees is 20%. Find the increase in the
number of bees in the 2nd hour, if there are
1248 more bees at the end of the third hour when
compared to the end of the second hour. 720​

Answer 1

Answer:

Step-by-step explanation:

The initial number of bees is x

After three years the number of bees will be = x × 1.2 × 1.3 ×1.4

if there are  1248 more bees at the end of the third hour when

compared to the end of the second hour.

(x × 1.2 × 1.3 ×1.4 )- (  x × 1.2 × 1.3 ) = 1248

= 2.184 x - 1.56 x = 1248

= 0.624 x = 1248

x = 1248 /0.624

x =  2000

In 1 hour = 2000 × 1.2 = 2400

In 2 hour = 2000 × 1.3 = 3120

Increase in second year = 3120 - 2400 = 720