D. p - 80p 6.
A department store is selling everything for 45% off of the regular price. If a pair of jeans originally costs
dollars, which expressions could be used to find the sale price of the jeans? (Select ALL that apply.)
a. j + 0.45)
(6. j - 45
C. j - 0.45)
d. 0.55j
e. j + 45
1.45j

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling