Step-by-step explanation:
start by setting each equation to each other

first we are going to subtract 2x from both side of the equation

now subtract 1 from both sides

now divide by -3 on both sides
Answer:
he must burn 294.6
Step-by-step explanation:
Just minus 305.5 from 600
600
305.5
is equal to 294.6
9514 1404 393
Answer:
22
Step-by-step explanation:
The number of Monster High dolls is ...
12% × 25 = 3 . . . dolls
The others are not Monster High dolls. Their number is ...
25 -3 = 22 . . . not Monster High dolls
I believe it is the first figure