The students in Liz's class got to choose between pizza and burgers for the celebration on the last day of school. $90\%$ of the students picked the pizza. If there are $10$ students in all at Liz's class, how many students preferred the pizza? $\newline$ _____ students

Full solution

Q. The students in Liz's class got to choose between pizza and burgers for the celebration on the last day of school.

90\%

of the students picked the pizza. If there are

10

students in all at Liz's class, how many students preferred the pizza?

\newline

_____ students

Convert to decimal: Step $1$ : Convert $90\%$ to a decimal. $\newline$ $90\% = \frac{90}{100} = 0.90$
Calculate number of students: Step $2$ : Calculate the number of students who preferred pizza. $\newline$ Total students = $10$ $\newline$ Percentage that chose pizza = $0.90$ $\newline$ Number of students who chose pizza = $0.90 \times 10 = 9$