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anyanavicka [17]

2 years ago

11

Joan is thinking of a number. She adds 5 and multiplies it by 4. She then subtracts n of her original number and divides by 20.

She wants the answer to always be 1. What is the value of n?

1 answer:

iren2701 [21]2 years ago

4 0

Answer:

5

Step-by-step explanation:

(4n+5)-n/20=1
cross multiply:(4n+5)-n=20
4n+5=20+n
4n-n=20-5
3n=15
Divide both sides by coefficient of n
n=5

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