London is trying to solve this problem: "A store has a sale where every item has a sale price that is 10% less than the regular price. Write an expression that represents the sale price of an item if the regular price is p dollars."

London said, "To find 10% of a number, I should multiply by 0.10. So the sale price of an item will be 0.10p."

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Given: f(x) = 2x + 5 and g(x) = x2 and h(x) = -2x h(g(f( = x2+ vx+ x + y

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