Answer:
Step-by-step explanation:
( , )
( , )
rate of change or slope m = =
y = mx + b
"b" is y-intercept
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Answer:
8/7 min =
Step-by-step explanation:
A rate 2 2/3 = 8/3 min per tank
B rate 2 min per tank
thus:
A rate = 3/8 tank per min
B rate = 1/2 tank per min
A+ B = 3/8 + 4/8 = 7/8 tank per min
7/8 x = 1
x = 8/7 min
It means the same used in a question like this, is 25 as much as 25.