Answer: 25
Step-by-step explanation:
Boys to girls ratio is 3:4 so for every 7 students 3 are boys and 4 are girls bc 3+4 is total students in the ratio. boys are 3/7 so out of 28 students there are 12 boys and girls are 4/7 so out of 28 students 16 are girls
12/28 are boys
16/28 are girls
Answer:
<h2><u><em>
125m²</em></u></h2>
Step-by-step explanation:
find the area of the green rectangle and remove the area of the yellow rectangle
(12 - 2) * (16 - 2) - (6 * 2.5) =
10 * 14 - 15 =
140 - 15 = 125m²
Answer:
x = 5 or x = - 1/2
Step-by-step explanation:
2x² - 9x-5 = 0
(x -5) (2x + 1) = 0
x = 5 or x = - 1/2