Answer:
28
Step-by-step explanation: It’s simple. For every 50 students, there’s 7 birthdays in March. So 1400 divided by 50 equals 28
Answer:
$ 7.9
Step-by-step explanation:
Amount of bill = $52.87 = $52.9
Amount of tip = 15% of $52.9

Answer:
x=34
Step-by-step explanation:
36-2x=-x+2
add x to both sides and subtract 36 from both sides
-x=-34
x=34
Answer:
10 months.
Step-by-step explanation:
1200 + 25x = 1450; x = 10