Answer:
a= 1/2b
Step-by-step explanation:
a+b=3a
a=3a-b
a-3a= - b
- 2a= - b
a=1/2b
There is certainly less that 900 people... but the circle is not here.
Answer:
-2
Step-by-step explanation:
Answer:We have, 38% × x = 190
or,
38
100
× x = 190
Multiplying both sides by 100 and dividing both sides by 38,
we have x = 190 ×
100
38
x = 500
If you are using a calculator, simply enter 190×100÷38, which will give you the answer.
Step-by-step explanation:
Answer:
u=11
Step-by-step explanation:
3u - 10 = 20
3u-10+10=20+10 |+10
3u=33 |÷3
3/3*u=33/3
1*u=11
u=11