1the admission fee at a small fair is $1.50 for children and $4.00 for adults. on a certain day, 2,200 people enter the fair and $5,050 is collected. which of the following systems of equations would represent this scenario?
a a + c = 2,200 1.5a + 4c = 5,050

b a + c = 5,050 1.5a + 4c = 2,200

c a + c = 2,200 4a + 1.5c = 5,050

d a + c = 5,050 4a + 1.5c = 2,200

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute