Answer:
mean - 12.5
SD - 12.0
Step-by-step explanation:
Answer:
Step-by-step explanation:
Find the solution below
Answer:
0.25*8+7=9
Step-by-step explanation:
8x+7=9
2/8=x
0.25=x
If the ratio is 90:3 and there are 4 groups of 3 in 12, then the ratio would then be 450:12, leaving you with 450 as the answer. Hope I helped