Question

Tantastic charges a reservation fee of $20 and $1 per minute in a tanning bed. BetterSun charges no reservation fee but charges $2 per minute in a tanning bed

Answer 1

20 minutes

Explanation:

Step one:

given

Tantastic charges

reservation fee= $20

charges per minute= $1

let the number of minutes be x

and the total charges be y

y=x+20

BetterSun charges

charges per minute= $2

let the number of minutes be x

and the total charges be y

y=2x

Required:

how many minute will dey charge the same amount

x+20=2x

2x-x=20

x=20 minutes