Answer:
<h3>285.15</h3>
Step-by-step explanation:
Given the expression;
19/258 = 21/x
We are to find the unknown value x;
Cross multiply;
19 * x = 258 * 21
19x = 5418
Divide both sides by 19;
19x/19 = 5418/19
x = 285.15
Hence the unknown value is 285.15

Total amount of Brian paid is $48.30.
Hope this helps. - M
Answer:
english pls
Step-by-step explanation:
The upper comment is correct
Just move the decimal point 2 spaces to the left if you want it in the hundredth place. <span>.900 is the answer.</span>