Answer:
is the last one
Step-by-step explanation:
Let James be x years old
Joe = 10 + x
After 8 years
18 + x = 3(x)
18 + x = 3x
18 = 2x
x = 9
Joe is 19
James is 9
Answer:
3/4
Step-by-step explanation:
pizza is cut into fourths because there are for people eating it. the brothers have 3/4 of the pizza because there are only 3 brothers
Answer: x + 30 + 90= 180(sum of angles on a straight line)
x= 180-120
x=60
Answer:
-7
Step-by-step explanation:
