Along-distance runner trains for 3 hours. During the first part of the training, he keeps a pace of 7 miles per hour (mph). For the second part, he slows down to 5 mph. At the end of the run, he has traveled a total of 19.5 miles. How long did he spend at each speed?

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

can you rephrase the question ? it is unclear : -)

step-by-step explanation:

∡ eia and ∡ kij are congruent

step-by-step explanation: