For a bake sale, Trisha wants to make between 144 and 168 cookies. She already has 24 cookies made and has 4 hours left to bake
1 answer:
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Answer:
The number is 5
Step-by-step explanation:
First of all we have to convert the given scenario in mathematical or algebraic expression.
Let x be the number
Then according to given statement, the equation will be:
"Three times a certain number"
"is added to 5"
"the result is 20"
Using Subtraction property of Equality
Using division property of equality
Hence,
The number is 5