Answer:
x = 3
Step-by-step explanation:
3(10-x)=21
30-3x=21
-30 -30
-3x=-9
x=3
#11 is 2 ounces because there are 16 ounces in 1 pound and if u add all the #rs you get 32, divide by 16 and u get 2.
#12 is 10 ounces because when u add the #rs up u get 54. u subtract that from 64 because that's how many ounces are in 4 pounds, so ur answer is 10
Answer:
X=35
You have to simply the equation using cross multiplication, divide by both sidesof the equatiom by 2 and move the constant to the right and change its sign. Then add the numbers. I hope this helped :)
