2 years ago

Equivalent fractions for 2 1/5 and 1 5/6

Mathematics

1 answer:

Verizon [17]2 years ago

3 0

2 1/5: 11/5, 22/10, 33/15, 44/20 etc.
1 5/6: 11/6, 22/12, 33/18, 44/24, etc.

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A box contains blue and red pens. 2/5 of the pens are red. What is the ratio of blue to red pens?

Slav-nsk [51]

Answer:

3:2

Step-by-step explanation:

$\frac{5}{5} - \frac{2}{5} = \frac{3}{5}$

8 0

2 years ago

Please help please please

Grace [21]

$\Omega=\{1;\ 2;\ 3;\ 4;\ 5;\ 6;\ 7;\ 8;\ 9;\ 10\}\\\\|\Omega|=10\\\\A=\{1;\ 3;\ 6;\ 7\};\ B=\{2;\ 3\}\\\\A\ \cup\ B=\{1;\ 2;\ 3;\ 6;\ 7\}\\\\|A\ \cup\ B|=5\\\\P(A\ \cup\ B)=\dfrac{|A\ \cup\ B|}{|\Omega|}\to P(A\ \cup\ B)=\dfrac{5}{10}=\dfrac{1}{2}=0.5=0.50$