ILL MARK BRAINIEST IF YOU CAN DO THESE 2 QUESTIONS RIGHT!!!

Answer:
C
Step-by-step explanation:
dont know the 2nd :(
Answer:
1) p = 0.75n
2) 17 children
Step-by-step explanation:
1.50 ÷ 2 = 0.75 which is the price per mango
177.50 = 50 + 7.5n
127.5 = 7.5n
n = 17