At Westville High School 105 students volunteer at local charities, which is 25% of the total student enrollment. How many more students would need to volunteer for the percentage to increase to 35% of the total student enrollment at Westville High School?

Pepe is going to spin the following spinner 800 times. the spinner is divided into equal sections.a. exactly 160 timesb. clost to 160 times but probably not exactly 160 timesc. exactly 640 timesd. close to 640 times but not probably not exactly 640 times. me

What are “like terms”? why can we only add like terms?

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.