Evaluate the following expression 5p2

20

Step-by-step explanation:

using the definition of nPr =

where n! = n(n - 1)(n - 2).....× 3 × 2 × 1

5P2 = = = 5 × 4 = 20

let x be the money she spent so that she can earn the free t-shirt.

since, she already spent $112.49

⇒

also, as per the statement: jennifer must spend $250 or more in order to qualify for a free t-shirt at the store.

then,

we have an inequality i.,e

subtract 112.49 from both sides we get;

therefore, $137. 51 more money does jennifer need to spend so that she can earn the free t-shirt

7

step-by-step explanation: