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.

just do 5.2 + 2 ( 7.2) and 1/3 x 3 (.9) and youv'e got your equation. 0.9( 9/10) + 7.2 ^2 = 16.4 hope i could !

step-by-step explanation:

hi there!

the answer will be d: 2