Answer: The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try.
Answer:
8
Step-by-step explanation:
Noah made 125% of cookies he was asked to make.
64(required) * 1.25=80 cookies he made.
He sold 90% of the 80 cookies
80*.9=72. 8 cookies left over
Answer:
2.3 (or 2.293)
Step-by-step explanation:
25/10.99
The answer is 74. The parenthesis is another way of telling you to multiply.