9 books cost 32
Step-by-step explanation:
5 books =20
1 book= 5÷20 = 4
9 books = 4×9 = 32
The answer for how many yards are in 1 mile 60 feet is 1780
Answer:
320
Step-by-step explanation:
64x5=320
It is similar in the sense that we add or subtract or multiply and divide the same thing to the opposite sides just like in one variable equations.and the difference really is that there is more that one variable and needs to be specified because there are several variables to choose from.....