Answer: The number is 15
Step-by-step explanation: basically the equation you should solve is
(x)+(2x)+(2x+7)=82
5x+7=82
5x= -7+82
5x=75
5/5x=75/5
x=15
Answer:
75/4=3/100
Step-by-step explanation:
sinple this is on proportion
if you want crisscross the fraction
=
= =
Answer-
Answer is the 72.02 cm³ .I hope it's helpful to you.