I am no expert but i got.
28.27
i hope this helps, sorry if i am wrong
Your answer is 77!
All you really need to do is 231/3 since you need to find out how many students are in the freshman class.
Answer:
about 1 and a half minutes
Step-by-step explanation:
6/5
laps over minutes
His work should have looked like this.
2x + y = 5
x − 2y = 10
y = 5 − 2x
x − 2(5 − 2x) = 10
x − 10 + 4x = 10
5x − 10 = 10 When he added in both sides, he subtracted 10 from 10,
5x = 20 instead of adding 10 from 10 to make 20.
x = 4
2(4) + y = 5
8 + y = 5
y = -3
Divide 48 by 3, for every three 8th graders, there is one 7th grader in choir
48÷3=16
There's 16 7th graders in choir !!
