Question

In 1990, 53.4% of commuters took public transportation in New York City, which was 19.9% greater than the percentage in San Francisco. Write and solve an equation to find what percentage of commuters p took public transportation in San Francisco.

Answer 1

Answer:
`53.4 = 19.9 + p`

33.5% of commuters took public transportation in San Francisco.

Explanation:

Let p be the percentage of commuters took public transportation in San Francisco.

Given: 53.4% of commuters took public transportation in New York City, which was 19.9% greater than the percentage in San Francisco.

That means,

53.4 = 19.9 + p

Hence, required equation :
`53.4 = 19.9 + p`

Subtract 19.9 from both sides , we get

`53.4-19.9=19.9-19.9+p\\\\\Rightarrow\ 33.5=p`

hence, 33.5% of commuters took public transportation in San Francisco.