To find your answer you would divide 21 by 3 which would be 7, once you've got 7 you would multiply it by 9 which would give you the amount of old houses that there is which would be 63.
She should use a computer to select 30 students at random then ask which ones play chess. The other options could produce more skewed results.
<u>répondre:</u>
<u>bonjour</u>
<u>si tom avait 100 g de riz il va convertir 100g en kg</u>
- <u>Étape par Étape explication:</u>
<u>= 0,1 kg</u>
<u>bonne journée</u>
Answer:
y = -4/3x + 6
Step-by-step explanation:
1. 3y - 4x + 3y = 18 - 3y
2. 4x = -3y + 18
3. 18 - 4x = -3y + 18 - 18
4. <u>-</u><u>3</u><u>/</u><u> </u><u>-3y = 4x - 18</u><u> </u><u>/</u><u>3</u>
5. y = -4/3x + 6