Answer:
24
Step-by-step explanation:
the value of a is 2, therefore 7x2=14 and 12x2=24
Answer:
171
Step-by-step explanation:
(133+206+x)/3 = 170
133+206+x = 510
339 + x = 510
x = 171
(133+206+171)/3 =
Do you have a graph or something for the percentage ?