The place value of three is the 100s place
Ok so it would be 3/4 times 20
And you would get 15
I would draw a circle that adds up to 100
To do this multiply the 20 five times to get 100
Then multiply the 15 by the same number (5) to get 75
Draw a circle and shade in 75% of it and that is your answer
You have one hundred seventy cubes
Y=4
-10/-10 = -40/-10
-40/-10 = 4