What is 16 x 3 because if a get 16 groups of 3 i will get the correct answer but it will be long .but i also thought it will would be 3 groups of 16 . which one should i pick

Step-by-step explanation:

Pick the number with the most digits first, then the small number.

16 groups of 3.

16 x 3 will be faster.

Best of Luck to you!

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

a=24; b=12

step-by-step explanation:

a/b=2: 1

a=2b

36/(1+2)=12

b=12

a=24