Blaire has 20 tomato plants altogether.
Step-by-step explanation:
Given,
Tomatoes plants ready to pick = 18
This represents 90% of total tomato plants.
Let,
x be the original number of tomato plants.
90% of x = 18
[tex]\frac{90}{100}*x=18[/tex]
[tex]0.9x=18[/tex]
Dividing both sides by 0.9
[tex]\frac{0.9x}{0.9}=\frac{18}{0.9}[/tex]
[tex]x=20[/tex]
Blaire has 20 tomato plants altogether.
Keywords: percentage, division
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