6. Antonio's Pizzaria charges $10 for a large pizza, plus $1.50 for each additional topping.

Cost: $11.50, $13, $14.50, $16, $17.50

Step-by-step explanation:

the pizza's 10 + 1.50x

its always 10 plus the price of the toppings

(x is the amount of toppings)

for the points

step-by-step explanation:

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