Answer:
13
Step-by-step explanation:
you would count up 7 times from 6
Answer and Step-by-step explanation:

÷ 
Answer:
There are 30 students in the class
Step-by-step explanation:
we can write a ratio as:
8:10 as 24:x
Writing this as an equation gives:
8
10
=
24
x
We can now solve for
x
while keeping the equation balanced:
10
x
×
8
10
=
10
x
×
24
x
10
x
×
8
10
=
10
x
×
24
x
x
×
8
=
10
×
24
8
x
=
240
8
x
8
=
240
8
8
x
8
=
30
x = 30
Answer:
Please look at the picture below!
Step-by-step explanation:
Hope this helps!
If you have any question, please feel free to ask any time.
Nine times d = 9*d = 9d
47 decreased by 9d = 47 - 9d
= 47 - 9d.