1200/8 = x/3
150 = x/3
150 * 3 = x
450 = x
450 calories
Answer: The letter x is often used in algebra to mean a value that is not yet known. it is called a variable or somethings an unknown in x + 2 = 7, x is a variable but we can work out its value if you try a variable does not have to be x though it could be y or w, or any letter, name or symbol. See: variable
Step-by-step explanation: and that's it! have a yummy cookie day! ◑﹏◐
Answer:
put a ruler in it and there it is
5a+b = 5(6)+3 =3
10-r+5 = 10-(9)+5 =6