Answer:
20 minutes
Step-by-step 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