The sum of two numbers is 28. the first number, x, is three
times the second number, y.
which system of equations can be used to find the two
numbers?
x+y=28
(x=3+v
( xy=28
(x=y
| xy=28
(x=3+y
| x+y=28
(x=3v

Shryia read a 481 -page-long book cover to cover in a single session, at a constant rate. after reading for 1.5 hours, she had 403 pages left to read. how fast was shryia reading? pages per hour how long did it take her to read the entire book? hours plz i realy need this

Express -5 2/5 as an improper fraction.

If the car had not hit the fence, how much farther would it have skidded? solve the skid-distance formula to find the extra distance that the car would have traveled if it had not hit the fence. round your answer to two decimal places. note that unit conversion is built into the skid distance formula, so no unit conversions are needed.