Question

Maria has $45 to spend on CDs and batteries for her CD player. She will buy a pack of batteries for $3.65. Let c represent the cost of one CD. Which expression represents the number of CDs she can buy with the $45?

Answer 1

A (45 – 3.65) ÷ c
B (45 – 3.65) × c
C (3.65 – 45) ÷ c

Answer 2

What you think should it be?

Answer 3

B

Answer 4

How?

Answer 5

because it talks about subtracting

Answer 6

Suppose you have $20 for buying pens and pencils.
The pencils cost : $15

What would be the cost of all pends combined?

Answer 7

5

Answer 8

Now. The pens have same price.

let the cost be : c

How many pens can u buy now with $5?

Answer 9

none

Answer 10

Each pen costs : $1

You have : $5

How many pens u can buy now?

Answer 11

5 pens

Answer 12

How you got it? \(\cfrac{$ 5}{$ 1}\) ?

Answer 13

is 5

Answer 14

Yes... so now you have:

Each CD costs : $ c

You have money : $ (45-3.65)

How many CDs you can buy?

Answer 15

18

Answer 16

41.35

Answer 17

No!

If you have money : $ 45 -3.65

and the cost of each pen as : \($ c\)

then : no. of pens : \(\cfrac{\textbf{ Your money}}{\textbf{cost of each pen}}\)

Answer 18

cn u tell me now?

Answer 19

idk

Answer 20

Your money = $(45-3.65)

and cost of each pen = $ c

put that in eqn .. (Above)

Answer 21

= 41.35