Answer:
9 9/20
Step-by-step explanation:
4 1/5 * 2 1/4
Change the mixed nubers to improper fractions
4 1/5 = (5*4+1)/5 = 21/5
2 1/4 = (4*2+1) /4 = 9/4
21/5 * 9/4 = 189/20
Now we change it back to a mixed number
20 goes into 189 9 times (20*9 = 180 with 9 left over)
9 9/20
Answer:
C - 7315
Step-by-step explanation:
Using the combination formula.
22! / (4!(22-4)!) = 7315
Combination is like saying I want meat-cheese-lettuce-tomato and this is the same as cheese-meat-tomato-lettuce. (same toppings, different order)
Answer: C
Step-by-step explanation:


Answer:
Step-by-step explanation:
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