Answer:
133.3333
Step-by-step explanation:
28 is x1.333 times more than 21
so we do 100 * 1.333 = 133.333
Answer:
120 ways
Step-by-step explanation:
To solve the question above, we use combination formula:
Where ;
nCr = n! / (n-r)! r!
10C7 = 10! / (10 - 7)! 7!
10C7 = 10! / 3! 7!
10C7 = (10 * 9 * 8) / 3 * 2 * 1
10C7 = 720 / 6
= 120 ways
Answer:
20
Step-by-step explanation:
Answer:
8
Step-by-step explanation:
2x-2×2=8 porque vas sumando
It would be 55.125 as a decimal, but as a fraction it would be 441/8.