Answer:
12
Step-by-step explanation:
The total area is 48 and the value of x is 36 (figure 1)
you plug in 36 to the equation (square root x)(8- square root x) {figure 2}
the area of the patio is 12
Answer:
<em>Good Luck!</em>
Step-by-step explanation:
The answer to your question should be: ↓
The percentage of students who spend less than 4 hours a week on screens which reported a grade average below 80 is 50%
Given, we have the report representing children spending time online, on social media or watching T.V, which has there effect on there grades as above or below 80.
By the question we know that the number of students who spends less than 4 hours a week on screen is:
9 + 9
= 18
And among the 18 students there are 9 students whose grade average is below 80.
So the percentage of the students who spends 4 hours a week on screen is:
= 9 ÷ 18 × 100%
= 100/2
= 50%
hence 50% students spend less than 4 hours a week on screens.
Learn more about Percentage here:
brainly.com/question/843074
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