You have to set up a system of equations
x+y=104
3x-y=104
Sodas = 78
Hotdogs = 26
Answer:
25
Step-by-step explanation:
The pattern is + 1, + 3, + 6,... i.e. + 1, + (1 + 2), + (1 + 2 + 3),...
.'. Missing number = 15 + (1 + 2 + 3 + 4) = 25.
7, 14 would be it but you have to divide the whole equation by 2 to get the y alone
Answer:
car a-50 kilos per hour
car b-55 kilos per hour
car b is faster
Step-by-step explanation:
150/3=50
220/4=55
