5. 40% of Sam's collection of 64 cars is new. How many cars are new? Known:
Unknown:
Equation:
6. 90 out of 20 students liked pizza. What percent of students cid
not like pizza?
Known:
Unknown:
Equation:

5. 40% of Sam's collection of 64 cars is new. How many cars are new?

Known: Number of cars.

Unknown: How many cars are new.

Equation: 64*0.4=x x=24.

6. 90 out of 20 students liked pizza. What percent of students did

not like pizza?

Known: number of students

Unknown: percent of students did not like pizza.

Equation: 90*20/20 = 90.

90>20 so 0% did not like pizza.

answer: 48

just remember to use pemdas:

parentheses

expressions

multiplication

division

addition

subtraction

answer: x=3 and y=4

step-by-step explanation: