Answer:
Food booth= (75+10d)17
Game booth= (95+4d)21
Explanation:
GAME BOOTH
$95 initial fee plus $4 per d amount of days
f(x)=95+4d
Multiply the expression by 21 because you have 21 game booths
FOOD BOOTH
$75 initial fee plus $10 per d amount of days
f(z)=75+10d)
multiply this expression by 17 because their are 17 food booths
hopefully this helps:)