Answer:
Hi there!
Your answer is;
There are 50 bacteria after 3 hours
Step-by-step explanation:
After three hours, with a rate of 20% an hour, 60% should have died
20% of 125 is?
100% is 125
/100
1% is 1.25
×60
60% is 75
125-75= 50
Hope this helps
Answer:
1,687,500,000,000
Step-by-step explanation:
1) 270,000,000 x 6250
Answer:
40+39=79
Step-by-step explanation:
10 times 4+30+9
40*39=79
First of all f(2)=2(2)-5=-1 and f(5)=2(5)-5=5
so
f(2)+f(3)=-1+5=4