Answer:

Step-by-step explanation:
Let the unknown number be x.
12+24=2(6+x)
Switch sides.
2(6+x)=12+24
Expand brackets.
12+2x=12+24
Subtract 12 from both sides of the equation.
12+2x-12=12+24-12
2x=24
Divide both sides of the equation by 2.
(2x)/2=24/2
x=12
Answer:
30 girls
Step-by-step explanation:
40÷8=5 5×6=30
Answer: 58 14ths
Step-by-step explanation:
multiply 14 by 4 to get 56 14ths, then add the 2
Yes i was in the wrong place so we can get a little kid
Answer:
33.66 cm
Step-by-step explanation:
Multiply to find the product.