Respuesta :
Answer:
Brian spend $16
Sarah spend 31.50
Step-by-step explanation:
Brian + Sarah = $47.50
Brian spends $15.50 less than Sarah meaning that Sarah spends $15.50 more than Brian, so:
Sarah = Brian + $ 15.50
Brian + ( Brian + $15.50) = $47.50
2B + 15.50 = 47.50
2B = 47.50 - 15.50
2B = 32
B = 32/2
B = 16