To get rid of the 3.8, we add it.
1.2w - 3.8 + 3.8 = 12.4 + 3.8
1.2w = 16.2
Answer:
4x^4y + 20x^2y^2 - 28x^3y
Step-by-step explanation:
4xy(x^3 + 5xy - 7x^2)
= 4xyx^3 + 4xy * 5xy - 4xy * 7x^2
= 4x^2y + 4xy * 5xy - 4xy * 7x^2
= 4x^4y + 20x^2y^2 - 4xy * 7x^2
= 4x^4y + 20x^2y^2 - 28x^3y
B. 1/5
When turned into a decimal, 1/5 is 0.2 which is a decimal that terminates.
37 1/2 divided by 2 1/2=15
Marco can fill 15 cups with juice samples.
Check:
2 1/2x15=37 1/2
