Answer:
102 words/minute
Step-by-step explanation:
408/4 = 102
He can type 102 words per minute
1st place has 10 possible people
2nd place has 9 possible people
3rd place has 8 possible people
10 × 9 × 8 = 720
or you could use permutation (order matters)
10P3 = 720
nPr
Of means multiply
is means equals
1/2 • x = -.25
Rewritten
.5•x=-.25
Inverse operations to isolate the variable.
x = -.25/.5
x = -.5
Answer:
That looks awesome!
Step-by-step explanation: