Answer:
$19.25
Step-by-step explanation:
2.5*7.7=19.25
500 = 35x+50
450 = 35x
450/35 = x
12.85 = x
12 lessons
start with y= m(x+9)
Use the distributive property:
y= mx+9m
Now you want x to decrease by 6:
so y ' = m(x-6) + 9m
Use distributive property again:
y'= mx - 6m + 9m
y' = (mx+9m) - 6m
y' = y - 6m
So the value of y decreases by 6m.
Answer:
7
Step-by-step explanation:
35 divided by 5 equals 7