U divide 4/7 by 3/4 which is 16/21
Hey there.
7q - 5

10q + 19
Get the variable to one side.
-5

3q + 19
Isolate the variable.
3q

24
Solve for the variable.
q
8 is your answer.
I hope this helps!
The formula of the volume of the rectangular prism:
V = length × width × height
We have:
Answer:
n = 30 pieces
Step-by-step explanation:
Firstly calculate the number of pieces that Luna's puzzle has....,
;180 ÷ 4 = 45 pieces
Hence if Luna has used 15 pieces...then the number of pieces left,
; 45 - 15 = n
;Hence..., n = 30 pieces