2 years ago

Solve for the variable in the following proportion.

Mathematics

1 answer:

erastovalidia [21]2 years ago

3 0

Answer: b = 10

Step-by-step explanation:

We want a ratio of b/2 that is equal to the ratio of 1/4 to 1 1/4 (or 5/4).

Ratio of (1/4)/(5/4):

(1/4)/(5/4) = (1/4)*(4/5) = 4/20 = 1/5 or 0.2

We want 2/b = 1/5 or 0.20

2/b = 0.20

b = 2/0.20

b = 10

Check: Does 10/2 = (1/4)/(5/4)?

Yes

b is 10

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