We use it to substitute an unknown number. We have a variable for a number we don’t know and as we solve the problem we can find the answer for the variable or unknown number.

Step-by-step explanation:

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Anygays-

8 0

2 years ago

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Peter's weekly salary is 110% of his brother's weekly salary. If his brothers weekly salary is x dollars, which expression gives

frez [133]

Answer:1.10x

Step-by-step explanation:

6 0

3 years ago

Jewelers building a pen for her baby turtles. She wants the pain to be 30 in long and 45 in wide. What piece of wood will Jill n

musickatia [10]

135 I think just multiple 45x30

7 0

4 years ago