Answer:
1,1/9,2/3
Step-by-step explanation:
You keep the bottom number and just add or subract the top number
2/5+3/5= 1
8/9-7/9=1/9
3/3-1/3=2/3
The first part to question 8 is 2.25 and the answer to part b is 12
Answer:
9 red tiles
Step-by-step explanation:
Total number of tiles:
Total number of red tiles:
Probability of getting red in one draw:
<em>This means that you would expect to get red or 30% of the times.</em>
<em>Hence, when you draw tiles 30 times from the bag, you would expect red to be picked 30% of 30 times. This is:</em>
<em></em>
So, you would expect to draw a red tile from the bag 9 times.
Answer:
8
Step-by-step explanation: