Answer:
sister = 6 years
John=18 years
Step-by-step explanation:
A(S) + 12 = 3 * A(S), subtracting A(S) from both sides one gets 12 = 2 * A(S). Now dividing both sides by 2 we get A(S) = 12/2 = 6 . Therefore, the age of the sister is 6 years when her brother John is three times as old, that is 18 years.
Answer:
Brainelist?
Step-by-step explanation:
7-4i
just use a online calculator
Answer:
B.
Step-by-step explanation:
C= 20 degrees Celsius
20 x 9/5 = 180/5
180 divided by 5 = 36 degrees celsius
Then you do 36 degrees celsius + 32 and you get 68.
So therefore 20 degrees celsius is eqivalent to 68 degrees Fahrenheit.
