Asubmarine was situated 800 feet below sea level. if it goes 450 feet up towards the surface, goes back down 100 feet and then goes up again 210 feet, what is the submarine's new position?

m a t h w a y. c o m

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