40. Banking A bank teller has a total of 70 bills in five-, ten-, and twenty-dollar denominations. The total value of the money is
$960.

a. Find the total number of solutions.
b. Find the solution with the smallest number of five-dollar bills.
c. Find the solution with the largest number of five-dollar bills.

step-by-step explanation:

529 and 531

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

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.