Abox of chocolates costs $6.28. it is paid for with a $5 bill and two $1 bills. how much extra has been paid? how would the answer be 72 cents

$0.72

Step-by-step explanation:

Find the total from the amount used to pay: one $5 & two $1 = 5 + 1 + 1 = 7

Subtract the total cost from the total used to pay: 7 - 6.28 = 0.72

0.72 would be your answer

      . 7  2

Step-by-step explanation:

How much money did the give the cashier

$5 + 2 * $1 = $7

We gave the cashier $7.00

 7.00

- 6.28

We borrow from the ones place and put 10 in the tenths place

   6.  10  0

-   6.  2  8

We borrow from the tenths place and put 10 in the hundreths place

   6.  9  10

-   6.  2  8

      . 7  2

the graph in the attached figure

step-by-step explanation:

we have

using a graphing tool

the graph in the attached figure

the roots are ( x-intercepts) x=-0.5,x=1,x=3

the y-intercept is the point (0,3)