What is the sum of a 7 term geometric series if the first term is -11 and the last term is -45,056, and the common ratio is -4?

a. -143,231
b. -36,047
c. 144,177
d. 716,144

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