If you bought a cookie for 80¢ and paid for it with a 5 dollar bill, how much change would you receive?

Mathematics

2 answers:

Inessa [10]3 years ago

5 0

Answer:

4 dollars and 20 cents

Step-by-step explanation:

5.00-.80=4.20

Maurinko [17]3 years ago

4 0

Answer:

$4.20

Step-by-step explanation:

What you bought will be subtracted from how much you paid with.

amount paid - amount bought

We paid for the cookie with $5, and bought something for 80 cents.

$5 is equal to 5.00, and 80 cents is equal to 0.8

5.00-0.8=4.2

So, you would get $4.20 back in change

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The circumference of the bike tire above is 83.524 inches. What is the radius of the bike tire? (Use 3.14 for .) A. 262.27 in B.

Shtirlitz [24]

Answer:

Option <u>C. 13.3 in</u>.

Step-by-step explanation:

Here's the required formula to find the radius of the bike tire :

$\longrightarrow{\pmb{\sf{C_{(Circle)} = 2\pi r}}}$

C = circumference
π = 3.14
r = radius

Substituting all the given values in the formula to find the radius of the bike tire :

$\begin{gathered} \qquad{\longrightarrow{\sf{C_{(Circle)} = 2\pi r}}} \\ \\ \qquad{\longrightarrow{\sf{83.524 = 2 \times 3.14 \times r}}} \\ \\ \qquad{\longrightarrow{\sf{83.524 = 6.28 \times r}}} \\ \\ \qquad{\longrightarrow{\sf{83.524 = 6.28r}}} \\ \\ \qquad{\longrightarrow{\sf{r = \frac{83.524}{6.28}}}} \\ \\ \qquad{\longrightarrow{\sf{r = 13.3 \: in}}} \\ \\ \qquad \star{\underline{\boxed{\sf{\red{r = 13.3 \: in}}}}}\end{gathered}$