A boat moves at a rate of 13 mph in still water. If the rivers current flows at a rate of 4 mph, how long does it take the boat to travel 20 miles upstream? It takes ___ hours.

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

the answer is su.k.my? ? co.kc

answer: what are the following choices

the battle of gettysburg is considered the "high water mark" of the confederacy because it marked the greatest advance of the confederate forces against the union.