Oldest = 2x
Middle = x + 5
Youngest = x
2x + x + 5 + x = 57
combine like terms
4x + 5 = 57
subtract 5 from both sides
4x = 52
divide both sides by 4 to isolate x
x = 13
Oldest = 2x = 2(13) = 26
Middle = x + 5 = 13 + 5 = 18
Youngest = x = 13
Answer:
Step-by-step explanation:
it's about 18, as per the graph
Answer:1250
Step-by-step explanation:4x250 equals 1000 then add 250
Transmission must be in third gear as both are running at the same speed ! so third gear !!!