Divide everything by 4 getting:
7y=3x+21
then get all of the variables on one side by subtracting 3x:
7y-3x=21
Answer:
10p+5
Step-by-step explanation:
Answer:
740 or 990
Step-by-step explanation:
It just depends on the height. I don't know if it is 10 or 15. If the height is 15 then 990. If the height is 10 then 740. :)
25÷100=0.25
0.25×680=170 is the answer