Hi, i’ll do this question in 20 mins!
27 students is basically the sum of their ratios 4:5
We can define the proportion with an arbitary variable x ->
4x:5x
Which is the ratio of packed to bought lunch. Therefore, 4x + 5x = 9x. 9x =27
x=3
The students that bought their lunch were the 5x group, therefore 15 students bought lunch.
Answer:
25 feet
Step-by-step explanation:
x^2= 20^2+15^2
x ^2 = 400 + 225
x ^2 = 625
x^2= √625
x= 25
Answer:
3rd
Step-by-step explanation:
The picture is very blurry for me can you take another