4/5 of the original amount at the start of the month will remain. The amount at the start of every month will change. Thus:
an = 4/5 (an-1) ; where a1 = 500.
Answer:
0.36 = 36/100 = 9/25
so the simplest form is 9/25
Answer:
Step-by-step explanation:
4/9 to 20/x
cross multiply and divide to get your answer
4 20
9 x
4x=180
x=45
the correct answer is 4810 bacteria grew after 9 hours
