Answer:26
Step-by-step explanation:
Add them all up
Answer:
9
Step-by-step explanation:
Answer:
the 21st day
Step-by-step explanation:
21 is 3 and 7's least common multiple
Answer:
y = 
Step-by-step explanation:
Given that y varies directly as x then the equation relating them is
y = kx ← k is the constant of variation
To find k use the condition y = 7 when x = 3
k =
=
, thus
y =
x ← equation of variation
When x = 7, then
y =
× 7 = 
Answer:
26 miles per gallon
Step-by-step explanation: