Answer:
20 years old
Step-by-step explanation:
Joe = J
Sydney = S
J = 5 + S
J + S = 45
Substitute
5 + S + S = 45
Add
5 + 2S = 45
Subtract 5 from both sides of the equation
2S = 40
Divide both sides of the equation by 2
S = 20
Sydney is 20 years old
Hope this helps :)
I think 4 glasses because 3/4 divided by 1/16 is 48/4 because you flip the second fraction and multiply after u simplify
Answer:
18
Step-by-step explanation:
54-36=18
36-24= 12
it is going down by multiples of six, so you would take 24 and subtract 6 and you will get 18
234 pages + 2/3 of 234
234+156 = 390pages