Question

Felicia had $80 when she went to a music store that charges $18 for each CD. She needs to have no less than $20 in her wallet when she leaves the store so she has enough money to buy gas for the ride home.

Which shows a possible number of CDs she could buy? Select THREE options.

Answer 1

Answer:

1

2 and 3

1. as she cant have less money then 20 dollar so this means she can spent 60 dollar

Step-by-step explanation:

1. so she can bu maximum cds 3 as 18 multiply by 3 is equal to 54

Answer 2

Answer:

3 CD'S

Step-by-step explanation:

SO THE MONEY SHE UTILISED TO BUY CD'S = $80-$20

                                                                             =>$60,

Because for the gas she has to invest 20$ then she can buy any number of CD's within $60( if she wants to really gas for the ride)

therefore,

NO OF CD'S SHE BOUGHT HAS TO BE= 60/18

                                                                 => 3.3333..

NOW TO FIND THE NUMBER OF CD'S WE HAVE TO FIRST TAKE IT AS A WHOLE NUMBER, WHICH MEANS WE HAVE TO EXCLUDE DECIAML PLACES, FOR THAT REASON WE TAKE THE 2 WHOLE NUMBERS NEAREST TO 3.3333.. -WHICH IS = 3 or 4

IT HAS TO BE 3 CD's BECAUSE IF IT GOES TO 4 THEN 4 X $18= $72 WHICH IS EXCEEDING $60

SO WE ATLAST CONCLUDE THAT 3 CD'S WERE BOUGHT BY FELICIA.

(3 X $18= $54; <$ 60, JUST FOR CHECKING IF 3 CD'S EXCEED $60)