Answer: 6 fewer than a number
It would be C because you have the sum will equal 60 so you would add the two amounts together and then add r to find if he has enough room. (Which he doesn't... I think)
Answer:
P(80-90)=66.666666...% Or 0.666666...
Step-by-step explanation:
Total tests = 21
Tests with 80-90 = 14
14 ÷ 21 = 2/3 which is 66.66666% or 0.66666