The outside part is 144 and the inside part is 60.
Answer:
create a proportion
Step-by-step explanation:
2nd column, 2nd row = 1/5
3rd column, 3rd row = 3/10
45 - 7 = 38
unknown quantity is the miles already traveled.
Answer:
x = 11, y=-½
Step-by-step explanation:
Simultaneous equations - subtract the first equation from the second.
x + 4y = 9
-(x - 2y = 12)
6y = -3
y = -½
Substitute y
x + 4(-½) = 9
x + -2 = 9
x = 11
Answer:
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