Simplifying:
2n-21=0.25n
We move all terms containing n to the left and all other terms to the right.
+2n-0.25n=+21
We simplify left and right side of the equation.
+1.75n=+21
We divide both sides of the equation by 1.75 to get n.
n=12
X - the number
The number is negative, so x=-2.
The number is -2.
Answer:
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Step-by-step explanation:
Answer:
75 green tiles
Step-by-step explanation:
Green : Blue = 3 : 4
3 : 4 = x : 100
Write as fractions
3/4 = x/100
Cross Multiply (numerator * denominator / numerator * denominator)
300 = 4x
Divide both sides of the equation by 4
x = 75
75 green tiles
Hope this helps :)
