I will mark brainliest!

Answer:
a + 56.75 = 76.75
Step-by-step explanation:
that is because ,money raised on first day(a) + money raised on second day = 76.75
that gives us, a = $20
Answer:
a + 56.75 = 76.75, day 1: 20
Step-by-step explanation:
Day 1: Made A
Day 2: Made 56.75
End result = 76.75
76.75-56.75= 20