11. A repairman charges a flat fee of $50 to come to a customer's house, plus a charge per hour for any work
completed. The repairman charged a customer $154 after
4 hours of work. How much did he charge per hour?

76%

step-by-step explanation:

24% are dogs and the remaining is 76% because 100-24=76

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