Mrs. D buys Christmas cupcakes and cookies for her in-person students. She
buys a total of 120 items and spends
$43,50. Each cupcake cost $0,30, and
each cookie cost $0,15,
Which system of equations could be used
to determine how many cupcakes, x, and
cookies, y, she purchased?

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.