Answer:
-20 + 30x
Step-by-step explanation:
-10(1) = -10
-10(-3x) = 30x
new equation
-10 + 30x -10
-10 + -10 = -20
-20 + 30x
Answer: I think it's the first one.
Step-by-step explanation:
42% of what is 63
0.42x = 63
x = 63/0.42
x = 150
There are 150 dancers in the school
Answer:
1/3 of 12 would be greater than 1/4 of 12.
Step-by-step explanation:
One third (1/3) of twelve results in 4. (Multiply 12/1 by 1/3 and simplify.)
One fourth (1/4) of twelve results in 3. (Multiply 12/1 by 1/4 and simplify.)
4 > 3.
Therefore, 1/3 of 12 is greater then 1/4 of 12.
