Answer:
28 bikes are blue
Step-by-step explanation:
Set up the ratio:
Blue : Black
4 : 5
Find the total # of bikes in the ratio:
4 + 5 = 9
Find the relationship between 63 and 9:
63/9 = 7
Multiply both sides of the ratio by 7:
4(7) = 28
5(7) = 35
28 : 35
Therefore, the number of blue bikes is 28.
Step-by-step explanation:
X1/3=2
X1=2×3
X1=5
x=5/1
Answer:
False.
Step-by-step explanation:
Because 12 and 9 are both multiples of 3.
Answer:
Mean = 33
Step-by-step explanation:
Mean = sum of scores /no of scores
Mean = 132/4
Mean = 33
