Set up a proportion.
Let x = the number of students in 29970 who speak 3 or more languages.
285/19 = 29970/x Cross multiply
285 x = 19 * 29970
285x = 569430
x = 569430/285
x = 5415 students speak 3 languages.
Answer:
4
Step-by-step explanation:
5y-3=17
5y=17+3
5y=20
y=20/5
y=4
Answer:
2.36
Step-by-step explanation:
order of operations : pemdas
parenthesis, exponents
multiplication, division
addition, substraction
first parenthesis, so
(32-4) = 28
parenthesis again
[10+28] = 38
now you have
90/38 = 45/19 = 2.36
Answer:
21
Step-by-step explanation:

Multiplying both sides by 7, we get

The two 7s on the left cancel out to give 1, so

Please mark Brainliest if this helps!
Answer:
A E and F
Step-by-step explanation: