21) The first buses to Y and Z leave a bus station at 7 am. Buses to Y leave every 25 minutes.
Buses to Z leave every 20 minutes.
When will buses to Y and Z next leave at the same time?

Eric drew a scale drawing of a country park. the scale he used was 1 inch = 2.5 yards. the picnic area is 80 yards wide in real life. how wide is the picnic area in the drawing ?

What number produces an irrational number when multiplied by -1.25

34 cup. a serving of vegetable soup is 23 cup. the restaurant sold 20 servings of chicken noodle soup and 18 servings of vegetable soup. how many more cups of chicken noodle soup did they sell than cups of vegetable soup?