Mike…check the wording on this Q (#37; section4). I lose track of what it’s asking for. Can you break it down? Tks!
The value of r is 20/21 times the value of t, where t>0. The value of t is what percent greater than the value of r?
Sure thing. To start, we gotta carefully translate the first sentence. Remember, “is” in a sentence means “=”.
So far so good?
Now let’s deal with the question sentence. It’s asking what percent greater one number is than another number–that’s a percent change question. Another way of asking it would be: what’s the percent change between and ?
Which we would figure out by plugging the values into the percent change formula:
Since we know is the bigger number, we rewrite thusly:
Now we can use the first translation we did to plug in. It’s gonna get a little messy for a minute.
Now remember when you divide fractions you multiply reciprocals, so we can rewrite:
That means is 5% greater than .