Question

A microscopic slide shows 7,500 bacteria dying at a rate of 150 per hour.Another side shows 4,500 bacteria increasing at a rate of 50 per hour. Bacterial count on both slides will be same after ? hour.
(write in number)​

Answer 1

Answer:

18

Step-by-step explanation:

Slide 1

$\frac{7500}{150} = 50 \: bacteria \: per \: hour$

Slide 2

$\frac{4500}{50} = 900 \: per \: hour$

Lcm of 50 and 900

18 hours

Answer 2

Step-by-step explanation:

7500/150=50bacteriaperhour

Slide 2

\frac{4500}{50} = 900 \: per \: hour

50

4500

=900perhour

Lcm of 50 and 900

18 hours