If 36 of 80 marbles are blue, then the percent of marbles that are blue is 44% i think
Answer:
160 %
Step-by-step explanation:
percent change is : (new- old)/ old * 100%
(247 - 95)/95 * 100%
160 %
Answer:
2000
Step-by-step explanation:
diameter of an average cell= 1 x 10^-5 mm
diameter of a pin head= 2 x 10^-2
number of body cells that would fit on the pin head=2 x 10^-2 ÷ 1 x 10^-5
=2000 body cells
7 = 2x + 15
<7
Subtract by 15
-8 = 2x
Divide by 2
-4 = x
<8
8 = 3x
divide by 3
8/3 = x
